text: /*!
   * protobuf.js v6.10.2-gww.5 (c) 2016, daniel wirtz
   * compiled tue, 06 apr 2021 16:50:46 utc
   * licensed under the bsd-3-clause license
   * see: https://github.com/dcodeio/protobuf.js for details
   */
  (function(undefined){"use strict";(function prelude(modules, cache, entries) {
  
      // This is the prelude used to bundle protobuf.js for the browser. Wraps up the CommonJS
      // sources through a conflict-free require shim and is again wrapped within an iife that
      // provides a minification-friendly `undefined` var plus a global "use strict" directive
      // so that minification can remove the directives of each module.
  
      function $require(name) {
          var $module = cache[name];
          if (!$module)
              modules[name][0].call($module = cache[name] = { exports: {} }, $require, $module, $module.exports);
          return $module.exports;
      }
  
      var protobuf = $require(entries[0]);
  
      // Expose globally
      protobuf.util.global.protobuf = protobuf;
  
      // Be nice to AMD
      if (typeof define === "function" && define.amd)
          define(["long"], function(Long) {
              if (Long && Long.isLong) {
                  protobuf.util.Long = Long;
                  protobuf.configure();
              }
              return protobuf;
          });
  
      // Be nice to CommonJS
      if (typeof module === "object" && module && module.exports)
          module.exports = protobuf;
  
  })/* end of prelude */({1:[function(require,module,exports){
  "use strict";
  module.exports = asPromise;
  
  /**
   * Callback as used by {@link util.asPromise}.
   * @typedef asPromiseCallback
   * @type {function}
   * @param {Error|null} error Error, if any
   * @param {...*} params Additional arguments
   * @returns {undefined}
   */
  
  /**
   * Returns a promise from a node-style callback function.
   * @memberof util
   * @param {asPromiseCallback} fn Function to call
   * @param {*} ctx Function context
   * @param {...*} params Function arguments
   * @returns {Promise<*>} Promisified function
   */
  function asPromise(fn, ctx/*, varargs */) {
      var params  = new Array(arguments.length - 1),
          offset  = 0,
          index   = 2,
          pending = true;
      while (index < arguments.length)
          params[offset++] = arguments[index++];
      return new Promise(function executor(resolve, reject) {
          params[offset] = function callback(err/*, varargs */) {
              if (pending) {
                  pending = false;
                  if (err)
                      reject(err);
                  else {
                      var params = new Array(arguments.length - 1),
                          offset = 0;
                      while (offset < params.length)
                          params[offset++] = arguments[offset];
                      resolve.apply(null, params);
                  }
              }
          };
          try {
              fn.apply(ctx || null, params);
          } catch (err) {
              if (pending) {
                  pending = false;
                  reject(err);
              }
          }
      });
  }
  
  },{}],2:[function(require,module,exports){
  "use strict";
  
  /**
   * A minimal base64 implementation for number arrays.
   * @memberof util
   * @namespace
   */
  var base64 = exports;
  
  /**
   * Calculates the byte length of a base64 encoded string.
   * @param {string} string Base64 encoded string
   * @returns {number} Byte length
   */
  base64.length = function length(string) {
      var p = string.length;
      if (!p)
          return 0;
      var n = 0;
      while (--p % 4 > 1 && string.charAt(p) === "=")
          ++n;
      return Math.ceil(string.length * 3) / 4 - n;
  };
  
  // Base64 encoding table
  var b64 = new Array(64);
  
  // Base64 decoding table
  var s64 = new Array(123);
  
  // 65..90, 97..122, 48..57, 43, 47
  for (var i = 0; i < 64;)
      s64[b64[i] = i < 26 ? i + 65 : i < 52 ? i + 71 : i < 62 ? i - 4 : i - 59 | 43] = i++;
  
  /**
   * Encodes a buffer to a base64 encoded string.
   * @param {Uint8Array} buffer Source buffer
   * @param {number} start Source start
   * @param {number} end Source end
   * @returns {string} Base64 encoded string
   */
  base64.encode = function encode(buffer, start, end) {
      var parts = null,
          chunk = [];
      var i = 0, // output index
          j = 0, // goto index
          t;     // temporary
      while (start < end) {
          var b = buffer[start++];
          switch (j) {
              case 0:
                  chunk[i++] = b64[b >> 2];
                  t = (b & 3) << 4;
                  j = 1;
                  break;
              case 1:
                  chunk[i++] = b64[t | b >> 4];
                  t = (b & 15) << 2;
                  j = 2;
                  break;
              case 2:
                  chunk[i++] = b64[t | b >> 6];
                  chunk[i++] = b64[b & 63];
                  j = 0;
                  break;
          }
          if (i > 8191) {
              (parts || (parts = [])).push(String.fromCharCode.apply(String, chunk));
              i = 0;
          }
      }
      if (j) {
          chunk[i++] = b64[t];
          chunk[i++] = 61;
          if (j === 1)
              chunk[i++] = 61;
      }
      if (parts) {
          if (i)
              parts.push(String.fromCharCode.apply(String, chunk.slice(0, i)));
          return parts.join("");
      }
      return String.fromCharCode.apply(String, chunk.slice(0, i));
  };
  
  var invalidEncoding = "invalid encoding";
  
  /**
   * Decodes a base64 encoded string to a buffer.
   * @param {string} string Source string
   * @param {Uint8Array} buffer Destination buffer
   * @param {number} offset Destination offset
   * @returns {number} Number of bytes written
   * @throws {Error} If encoding is invalid
   */
  base64.decode = function decode(string, buffer, offset) {
      var start = offset;
      var j = 0, // goto index
          t;     // temporary
      for (var i = 0; i < string.length;) {
          var c = string.charCodeAt(i++);
          if (c === 61 && j > 1)
              break;
          if ((c = s64[c]) === undefined)
              throw Error(invalidEncoding);
          switch (j) {
              case 0:
                  t = c;
                  j = 1;
                  break;
              case 1:
                  buffer[offset++] = t << 2 | (c & 48) >> 4;
                  t = c;
                  j = 2;
                  break;
              case 2:
                  buffer[offset++] = (t & 15) << 4 | (c & 60) >> 2;
                  t = c;
                  j = 3;
                  break;
              case 3:
                  buffer[offset++] = (t & 3) << 6 | c;
                  j = 0;
                  break;
          }
      }
      if (j === 1)
          throw Error(invalidEncoding);
      return offset - start;
  };
  
  /**
   * Tests if the specified string appears to be base64 encoded.
   * @param {string} string String to test
   * @returns {boolean} `true` if probably base64 encoded, otherwise false
   */
  base64.test = function test(string) {
      return /^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/.test(string);
  };
  
  },{}],3:[function(require,module,exports){
  "use strict";
  module.exports = EventEmitter;
  
  /**
   * Constructs a new event emitter instance.
   * @classdesc A minimal event emitter.
   * @memberof util
   * @constructor
   */
  function EventEmitter() {
  
      /**
       * Registered listeners.
       * @type {Object.<string,*>}
       * @private
       */
      this._listeners = {};
  }
  
  /**
   * Registers an event listener.
   * @param {string} evt Event name
   * @param {function} fn Listener
   * @param {*} [ctx] Listener context
   * @returns {util.EventEmitter} `this`
   */
  EventEmitter.prototype.on = function on(evt, fn, ctx) {
      (this._listeners[evt] || (this._listeners[evt] = [])).push({
          fn  : fn,
          ctx : ctx || this
      });
      return this;
  };
  
  /**
   * Removes an event listener or any matching listeners if arguments are omitted.
   * @param {string} [evt] Event name. Removes all listeners if omitted.
   * @param {function} [fn] Listener to remove. Removes all listeners of `evt` if omitted.
   * @returns {util.EventEmitter} `this`
   */
  EventEmitter.prototype.off = function off(evt, fn) {
      if (evt === undefined)
          this._listeners = {};
      else {
          if (fn === undefined)
              this._listeners[evt] = [];
          else {
              var listeners = this._listeners[evt];
              for (var i = 0; i < listeners.length;)
                  if (listeners[i].fn === fn)
                      listeners.splice(i, 1);
                  else
                      ++i;
          }
      }
      return this;
  };
  
  /**
   * Emits an event by calling its listeners with the specified arguments.
   * @param {string} evt Event name
   * @param {...*} args Arguments
   * @returns {util.EventEmitter} `this`
   */
  EventEmitter.prototype.emit = function emit(evt) {
      var listeners = this._listeners[evt];
      if (listeners) {
          var args = [],
              i = 1;
          for (; i < arguments.length;)
              args.push(arguments[i++]);
          for (i = 0; i < listeners.length;)
              listeners[i].fn.apply(listeners[i++].ctx, args);
      }
      return this;
  };
  
  },{}],4:[function(require,module,exports){
  "use strict";
  
  module.exports = factory(factory);
  
  /**
   * Reads / writes floats / doubles from / to buffers.
   * @name util.float
   * @namespace
   */
  
  /**
   * Writes a 32 bit float to a buffer using little endian byte order.
   * @name util.float.writeFloatLE
   * @function
   * @param {number} val Value to write
   * @param {Uint8Array} buf Target buffer
   * @param {number} pos Target buffer offset
   * @returns {undefined}
   */
  
  /**
   * Writes a 32 bit float to a buffer using big endian byte order.
   * @name util.float.writeFloatBE
   * @function
   * @param {number} val Value to write
   * @param {Uint8Array} buf Target buffer
   * @param {number} pos Target buffer offset
   * @returns {undefined}
   */
  
  /**
   * Reads a 32 bit float from a buffer using little endian byte order.
   * @name util.float.readFloatLE
   * @function
   * @param {Uint8Array} buf Source buffer
   * @param {number} pos Source buffer offset
   * @returns {number} Value read
   */
  
  /**
   * Reads a 32 bit float from a buffer using big endian byte order.
   * @name util.float.readFloatBE
   * @function
   * @param {Uint8Array} buf Source buffer
   * @param {number} pos Source buffer offset
   * @returns {number} Value read
   */
  
  /**
   * Writes a 64 bit double to a buffer using little endian byte order.
   * @name util.float.writeDoubleLE
   * @function
   * @param {number} val Value to write
   * @param {Uint8Array} buf Target buffer
   * @param {number} pos Target buffer offset
   * @returns {undefined}
   */
  
  /**
   * Writes a 64 bit double to a buffer using big endian byte order.
   * @name util.float.writeDoubleBE
   * @function
   * @param {number} val Value to write
   * @param {Uint8Array} buf Target buffer
   * @param {number} pos Target buffer offset
   * @returns {undefined}
   */
  
  /**
   * Reads a 64 bit double from a buffer using little endian byte order.
   * @name util.float.readDoubleLE
   * @function
   * @param {Uint8Array} buf Source buffer
   * @param {number} pos Source buffer offset
   * @returns {number} Value read
   */
  
  /**
   * Reads a 64 bit double from a buffer using big endian byte order.
   * @name util.float.readDoubleBE
   * @function
   * @param {Uint8Array} buf Source buffer
   * @param {number} pos Source buffer offset
   * @returns {number} Value read
   */
  
  // Factory function for the purpose of node-based testing in modified global environments
  function factory(exports) {
  
      // float: typed array
      if (typeof Float32Array !== "undefined") (function() {
  
          var f32 = new Float32Array([ -0 ]),
              f8b = new Uint8Array(f32.buffer),
              le  = f8b[3] === 128;
  
          function writeFloat_f32_cpy(val, buf, pos) {
              f32[0] = val;
              buf[pos    ] = f8b[0];
              buf[pos + 1] = f8b[1];
              buf[pos + 2] = f8b[2];
              buf[pos + 3] = f8b[3];
          }
  
          function writeFloat_f32_rev(val, buf, pos) {
              f32[0] = val;
              buf[pos    ] = f8b[3];
              buf[pos + 1] = f8b[2];
              buf[pos + 2] = f8b[1];
              buf[pos + 3] = f8b[0];
          }
  
          /* istanbul ignore next */
          exports.writeFloatLE = le ? writeFloat_f32_cpy : writeFloat_f32_rev;
          /* istanbul ignore next */
          exports.writeFloatBE = le ? writeFloat_f32_rev : writeFloat_f32_cpy;
  
          function readFloat_f32_cpy(buf, pos) {
              f8b[0] = buf[pos    ];
              f8b[1] = buf[pos + 1];
              f8b[2] = buf[pos + 2];
              f8b[3] = buf[pos + 3];
              return f32[0];
          }
  
          function readFloat_f32_rev(buf, pos) {
              f8b[3] = buf[pos    ];
              f8b[2] = buf[pos + 1];
              f8b[1] = buf[pos + 2];
              f8b[0] = buf[pos + 3];
              return f32[0];
          }
  
          /* istanbul ignore next */
          exports.readFloatLE = le ? readFloat_f32_cpy : readFloat_f32_rev;
          /* istanbul ignore next */
          exports.readFloatBE = le ? readFloat_f32_rev : readFloat_f32_cpy;
  
      // float: ieee754
      })(); else (function() {
  
          function writeFloat_ieee754(writeUint, val, buf, pos) {
              var sign = val < 0 ? 1 : 0;
              if (sign)
                  val = -val;
              if (val === 0)
                  writeUint(1 / val > 0 ? /* positive */ 0 : /* negative 0 */ 2147483648, buf, pos);
              else if (isNaN(val))
                  writeUint(2143289344, buf, pos);
              else if (val > 3.4028234663852886e+38) // +-Infinity
                  writeUint((sign << 31 | 2139095040) >>> 0, buf, pos);
              else if (val < 1.1754943508222875e-38) // denormal
                  writeUint((sign << 31 | Math.round(val / 1.401298464324817e-45)) >>> 0, buf, pos);
              else {
                  var exponent = Math.floor(Math.log(val) / Math.LN2),
                      mantissa = Math.round(val * Math.pow(2, -exponent) * 8388608) & 8388607;
                  writeUint((sign << 31 | exponent + 127 << 23 | mantissa) >>> 0, buf, pos);
              }
          }
  
          exports.writeFloatLE = writeFloat_ieee754.bind(null, writeUintLE);
          exports.writeFloatBE = writeFloat_ieee754.bind(null, writeUintBE);
  
          function readFloat_ieee754(readUint, buf, pos) {
              var uint = readUint(buf, pos),
                  sign = (uint >> 31) * 2 + 1,
                  exponent = uint >>> 23 & 255,
                  mantissa = uint & 8388607;
              return exponent === 255
                  ? mantissa
                  ? NaN
                  : sign * Infinity
                  : exponent === 0 // denormal
                  ? sign * 1.401298464324817e-45 * mantissa
                  : sign * Math.pow(2, exponent - 150) * (mantissa + 8388608);
          }
  
          exports.readFloatLE = readFloat_ieee754.bind(null, readUintLE);
          exports.readFloatBE = readFloat_ieee754.bind(null, readUintBE);
  
      })();
  
      // double: typed array
      if (typeof Float64Array !== "undefined") (function() {
  
          var f64 = new Float64Array([-0]),
              f8b = new Uint8Array(f64.buffer),
              le  = f8b[7] === 128;
  
          function writeDouble_f64_cpy(val, buf, pos) {
              f64[0] = val;
              buf[pos    ] = f8b[0];
              buf[pos + 1] = f8b[1];
              buf[pos + 2] = f8b[2];
              buf[pos + 3] = f8b[3];
              buf[pos + 4] = f8b[4];
              buf[pos + 5] = f8b[5];
              buf[pos + 6] = f8b[6];
              buf[pos + 7] = f8b[7];
          }
  
          function writeDouble_f64_rev(val, buf, pos) {
              f64[0] = val;
              buf[pos    ] = f8b[7];
              buf[pos + 1] = f8b[6];
              buf[pos + 2] = f8b[5];
              buf[pos + 3] = f8b[4];
              buf[pos + 4] = f8b[3];
              buf[pos + 5] = f8b[2];
              buf[pos + 6] = f8b[1];
              buf[pos + 7] = f8b[0];
          }
  
          /* istanbul ignore next */
          exports.writeDoubleLE = le ? writeDouble_f64_cpy : writeDouble_f64_rev;
          /* istanbul ignore next */
          exports.writeDoubleBE = le ? writeDouble_f64_rev : writeDouble_f64_cpy;
  
          function readDouble_f64_cpy(buf, pos) {
              f8b[0] = buf[pos    ];
              f8b[1] = buf[pos + 1];
              f8b[2] = buf[pos + 2];
              f8b[3] = buf[pos + 3];
              f8b[4] = buf[pos + 4];
              f8b[5] = buf[pos + 5];
              f8b[6] = buf[pos + 6];
              f8b[7] = buf[pos + 7];
              return f64[0];
          }
  
          function readDouble_f64_rev(buf, pos) {
              f8b[7] = buf[pos    ];
              f8b[6] = buf[pos + 1];
              f8b[5] = buf[pos + 2];
              f8b[4] = buf[pos + 3];
              f8b[3] = buf[pos + 4];
              f8b[2] = buf[pos + 5];
              f8b[1] = buf[pos + 6];
              f8b[0] = buf[pos + 7];
              return f64[0];
          }
  
          /* istanbul ignore next */
          exports.readDoubleLE = le ? readDouble_f64_cpy : readDouble_f64_rev;
          /* istanbul ignore next */
          exports.readDoubleBE = le ? readDouble_f64_rev : readDouble_f64_cpy;
  
      // double: ieee754
      })(); else (function() {
  
          function writeDouble_ieee754(writeUint, off0, off1, val, buf, pos) {
              var sign = val < 0 ? 1 : 0;
              if (sign)
                  val = -val;
              if (val === 0) {
                  writeUint(0, buf, pos + off0);
                  writeUint(1 / val > 0 ? /* positive */ 0 : /* negative 0 */ 2147483648, buf, pos + off1);
              } else if (isNaN(val)) {
                  writeUint(0, buf, pos + off0);
                  writeUint(2146959360, buf, pos + off1);
              } else if (val > 1.7976931348623157e+308) { // +-Infinity
                  writeUint(0, buf, pos + off0);
                  writeUint((sign << 31 | 2146435072) >>> 0, buf, pos + off1);
              } else {
                  var mantissa;
                  if (val < 2.2250738585072014e-308) { // denormal
                      mantissa = val / 5e-324;
                      writeUint(mantissa >>> 0, buf, pos + off0);
                      writeUint((sign << 31 | mantissa / 4294967296) >>> 0, buf, pos + off1);
                  } else {
                      var exponent = Math.floor(Math.log(val) / Math.LN2);
                      if (exponent === 1024)
                          exponent = 1023;
                      mantissa = val * Math.pow(2, -exponent);
                      writeUint(mantissa * 4503599627370496 >>> 0, buf, pos + off0);
                      writeUint((sign << 31 | exponent + 1023 << 20 | mantissa * 1048576 & 1048575) >>> 0, buf, pos + off1);
                  }
              }
          }
  
          exports.writeDoubleLE = writeDouble_ieee754.bind(null, writeUintLE, 0, 4);
          exports.writeDoubleBE = writeDouble_ieee754.bind(null, writeUintBE, 4, 0);
  
          function readDouble_ieee754(readUint, off0, off1, buf, pos) {
              var lo = readUint(buf, pos + off0),
                  hi = readUint(buf, pos + off1);
              var sign = (hi >> 31) * 2 + 1,
                  exponent = hi >>> 20 & 2047,
                  mantissa = 4294967296 * (hi & 1048575) + lo;
              return exponent === 2047
                  ? mantissa
                  ? NaN
                  : sign * Infinity
                  : exponent === 0 // denormal
                  ? sign * 5e-324 * mantissa
                  : sign * Math.pow(2, exponent - 1075) * (mantissa + 4503599627370496);
          }
  
          exports.readDoubleLE = readDouble_ieee754.bind(null, readUintLE, 0, 4);
          exports.readDoubleBE = readDouble_ieee754.bind(null, readUintBE, 4, 0);
  
      })();
  
      return exports;
  }
  
  // uint helpers
  
  function writeUintLE(val, buf, pos) {
      buf[pos    ] =  val        & 255;
      buf[pos + 1] =  val >>> 8  & 255;
      buf[pos + 2] =  val >>> 16 & 255;
      buf[pos + 3] =  val >>> 24;
  }
  
  function writeUintBE(val, buf, pos) {
      buf[pos    ] =  val >>> 24;
      buf[pos + 1] =  val >>> 16 & 255;
      buf[pos + 2] =  val >>> 8  & 255;
      buf[pos + 3] =  val        & 255;
  }
  
  function readUintLE(buf, pos) {
      return (buf[pos    ]
            | buf[pos + 1] << 8
            | buf[pos + 2] << 16
            | buf[pos + 3] << 24) >>> 0;
  }
  
  function readUintBE(buf, pos) {
      return (buf[pos    ] << 24
            | buf[pos + 1] << 16
            | buf[pos + 2] << 8
            | buf[pos + 3]) >>> 0;
  }
  
  },{}],5:[function(require,module,exports){
  "use strict";
  module.exports = inquire;
  
  /**
   * Requires a module only if available.
   * @memberof util
   * @param {string} moduleName Module to require
   * @returns {?Object} Required module if available and not empty, otherwise `null`
   */
  function inquire(moduleName) {
      try {
          var mod = eval("quire".replace(/^/,"re"))(moduleName); // eslint-disable-line no-eval
          if (mod && (mod.length || Object.keys(mod).length))
              return mod;
      } catch (e) {} // eslint-disable-line no-empty
      return null;
  }
  
  },{}],6:[function(require,module,exports){
  "use strict";
  module.exports = pool;
  
  /**
   * An allocator as used by {@link util.pool}.
   * @typedef PoolAllocator
   * @type {function}
   * @param {number} size Buffer size
   * @returns {Uint8Array} Buffer
   */
  
  /**
   * A slicer as used by {@link util.pool}.
   * @typedef PoolSlicer
   * @type {function}
   * @param {number} start Start offset
   * @param {number} end End offset
   * @returns {Uint8Array} Buffer slice
   * @this {Uint8Array}
   */
  
  /**
   * A general purpose buffer pool.
   * @memberof util
   * @function
   * @param {PoolAllocator} alloc Allocator
   * @param {PoolSlicer} slice Slicer
   * @param {number} [size=8192] Slab size
   * @returns {PoolAllocator} Pooled allocator
   */
  function pool(alloc, slice, size) {
      var SIZE   = size || 8192;
      var MAX    = SIZE >>> 1;
      var slab   = null;
      var offset = SIZE;
      return function pool_alloc(size) {
          if (size < 1 || size > MAX)
              return alloc(size);
          if (offset + size > SIZE) {
              slab = alloc(SIZE);
              offset = 0;
          }
          var buf = slice.call(slab, offset, offset += size);
          if (offset & 7) // align to 32 bit
              offset = (offset | 7) + 1;
          return buf;
      };
  }
  
  },{}],7:[function(require,module,exports){
  "use strict";
  
  /**
   * A minimal UTF8 implementation for number arrays.
   * @memberof util
   * @namespace
   */
  var utf8 = exports;
  
  /**
   * Calculates the UTF8 byte length of a string.
   * @param {string} string String
   * @returns {number} Byte length
   */
  utf8.length = function utf8_length(string) {
      var len = 0,
          c = 0;
      for (var i = 0; i < string.length; ++i) {
          c = string.charCodeAt(i);
          if (c < 128)
              len += 1;
          else if (c < 2048)
              len += 2;
          else if ((c & 0xFC00) === 0xD800 && (string.charCodeAt(i + 1) & 0xFC00) === 0xDC00) {
              ++i;
              len += 4;
          } else
              len += 3;
      }
      return len;
  };
  
  /**
   * Reads UTF8 bytes as a string.
   * @param {Uint8Array} buffer Source buffer
   * @param {number} start Source start
   * @param {number} end Source end
   * @returns {string} String read
   */
  utf8.read = function utf8_read(buffer, start, end) {
      var len = end - start;
      if (len < 1)
          return "";
      var parts = null,
          chunk = [],
          i = 0, // char offset
          t;     // temporary
      while (start < end) {
          t = buffer[start++];
          if (t < 128)
              chunk[i++] = t;
          else if (t > 191 && t < 224)
              chunk[i++] = (t & 31) << 6 | buffer[start++] & 63;
          else if (t > 239 && t < 365) {
              t = ((t & 7) << 18 | (buffer[start++] & 63) << 12 | (buffer[start++] & 63) << 6 | buffer[start++] & 63) - 0x10000;
              chunk[i++] = 0xD800 + (t >> 10);
              chunk[i++] = 0xDC00 + (t & 1023);
          } else
              chunk[i++] = (t & 15) << 12 | (buffer[start++] & 63) << 6 | buffer[start++] & 63;
          if (i > 8191) {
              (parts || (parts = [])).push(String.fromCharCode.apply(String, chunk));
              i = 0;
          }
      }
      if (parts) {
          if (i)
              parts.push(String.fromCharCode.apply(String, chunk.slice(0, i)));
          return parts.join("");
      }
      return String.fromCharCode.apply(String, chunk.slice(0, i));
  };
  
  /**
   * Writes a string as UTF8 bytes.
   * @param {string} string Source string
   * @param {Uint8Array} buffer Destination buffer
   * @param {number} offset Destination offset
   * @returns {number} Bytes written
   */
  utf8.write = function utf8_write(string, buffer, offset) {
      var start = offset,
          c1, // character 1
          c2; // character 2
      for (var i = 0; i < string.length; ++i) {
          c1 = string.charCodeAt(i);
          if (c1 < 128) {
              buffer[offset++] = c1;
          } else if (c1 < 2048) {
              buffer[offset++] = c1 >> 6       | 192;
              buffer[offset++] = c1       & 63 | 128;
          } else if ((c1 & 0xFC00) === 0xD800 && ((c2 = string.charCodeAt(i + 1)) & 0xFC00) === 0xDC00) {
              c1 = 0x10000 + ((c1 & 0x03FF) << 10) + (c2 & 0x03FF);
              ++i;
              buffer[offset++] = c1 >> 18      | 240;
              buffer[offset++] = c1 >> 12 & 63 | 128;
              buffer[offset++] = c1 >> 6  & 63 | 128;
              buffer[offset++] = c1       & 63 | 128;
          } else {
              buffer[offset++] = c1 >> 12      | 224;
              buffer[offset++] = c1 >> 6  & 63 | 128;
              buffer[offset++] = c1       & 63 | 128;
          }
      }
      return offset - start;
  };
  
  },{}],8:[function(require,module,exports){
  "use strict";
  var protobuf = exports;
  
  /**
   * Build type, one of `"full"`, `"light"` or `"minimal"`.
   * @name build
   * @type {string}
   * @const
   */
  protobuf.build = "minimal";
  
  // Serialization
  protobuf.Writer       = require(16);
  protobuf.BufferWriter = require(17);
  protobuf.Reader       = require(9);
  protobuf.BufferReader = require(10);
  
  // Utility
  protobuf.util         = require(15);
  protobuf.rpc          = require(12);
  protobuf.roots        = require(11);
  protobuf.configure    = configure;
  
  /* istanbul ignore next */
  /**
   * Reconfigures the library according to the environment.
   * @returns {undefined}
   */
  function configure() {
      protobuf.util._configure();
      protobuf.Writer._configure(protobuf.BufferWriter);
      protobuf.Reader._configure(protobuf.BufferReader);
  }
  
  // Set up buffer utility according to the environment
  configure();
  
  },{"10":10,"11":11,"12":12,"15":15,"16":16,"17":17,"9":9}],9:[function(require,module,exports){
  "use strict";
  module.exports = Reader;
  
  var util      = require(15);
  
  var BufferReader; // cyclic
  
  var LongBits  = util.LongBits,
      utf8      = util.utf8;
  
  /* istanbul ignore next */
  function indexOutOfRange(reader, writeLength) {
      return RangeError("index out of range: " + reader.pos + " + " + (writeLength || 1) + " > " + reader.len);
  }
  
  /**
   * Constructs a new reader instance using the specified buffer.
   * @classdesc Wire format reader using `Uint8Array` if available, otherwise `Array`.
   * @constructor
   * @param {Uint8Array} buffer Buffer to read from
   */
  function Reader(buffer) {
  
      /**
       * Read buffer.
       * @type {Uint8Array}
       */
      this.buf = buffer;
  
      /**
       * Read buffer position.
       * @type {number}
       */
      this.pos = 0;
  
      /**
       * Read buffer length.
       * @type {number}
       */
      this.len = buffer.length;
  }
  
  var create_array = typeof Uint8Array !== "undefined"
      ? function create_typed_array(buffer) {
          if (buffer instanceof Uint8Array || Array.isArray(buffer))
              return new Reader(buffer);
          throw Error("illegal buffer");
      }
      /* istanbul ignore next */
      : function create_array(buffer) {
          if (Array.isArray(buffer))
              return new Reader(buffer);
          throw Error("illegal buffer");
      };
  
  var create = function create() {
      return util.Buffer
          ? function create_buffer_setup(buffer) {
              return (Reader.create = function create_buffer(buffer) {
                  return util.Buffer.isBuffer(buffer)
                      ? new BufferReader(buffer)
                      /* istanbul ignore next */
                      : create_array(buffer);
              })(buffer);
          }
          /* istanbul ignore next */
          : create_array;
  };
  
  /**
   * Creates a new reader using the specified buffer.
   * @function
   * @param {Uint8Array|Buffer} buffer Buffer to read from
   * @returns {Reader|BufferReader} A {@link BufferReader} if `buffer` is a Buffer, otherwise a {@link Reader}
   * @throws {Error} If `buffer` is not a valid buffer
   */
  Reader.create = create();
  
  Reader.prototype._slice = util.Array.prototype.subarray || /* istanbul ignore next */ util.Array.prototype.slice;
  
  /**
   * Reads a varint as an unsigned 32 bit value.
   * @function
   * @returns {number} Value read
   */
  Reader.prototype.uint32 = (function read_uint32_setup() {
      var value = 4294967295; // optimizer type-hint, tends to deopt otherwise (?!)
      return function read_uint32() {
          value = (         this.buf[this.pos] & 127       ) >>> 0; if (this.buf[this.pos++] < 128) return value;
          value = (value | (this.buf[this.pos] & 127) <<  7) >>> 0; if (this.buf[this.pos++] < 128) return value;
          value = (value | (this.buf[this.pos] & 127) << 14) >>> 0; if (this.buf[this.pos++] < 128) return value;
          value = (value | (this.buf[this.pos] & 127) << 21) >>> 0; if (this.buf[this.pos++] < 128) return value;
          value = (value | (this.buf[this.pos] &  15) << 28) >>> 0; if (this.buf[this.pos++] < 128) return value;
  
          /* istanbul ignore if */
          if ((this.pos += 5) > this.len) {
              this.pos = this.len;
              throw indexOutOfRange(this, 10);
          }
          return value;
      };
  })();
  
  /**
   * Reads a varint as a signed 32 bit value.
   * @returns {number} Value read
   */
  Reader.prototype.int32 = function read_int32() {
      return this.uint32() | 0;
  };
  
  /**
   * Reads a zig-zag encoded varint as a signed 32 bit value.
   * @returns {number} Value read
   */
  Reader.prototype.sint32 = function read_sint32() {
      var value = this.uint32();
      return value >>> 1 ^ -(value & 1) | 0;
  };
  
  /* eslint-disable no-invalid-this */
  
  function readLongVarint() {
      // tends to deopt with local vars for octet etc.
      var bits = new LongBits(0, 0);
      var i = 0;
      if (this.len - this.pos > 4) { // fast route (lo)
          for (; i < 4; ++i) {
              // 1st..4th
              bits.lo = (bits.lo | (this.buf[this.pos] & 127) << i * 7) >>> 0;
              if (this.buf[this.pos++] < 128)
                  return bits;
          }
          // 5th
          bits.lo = (bits.lo | (this.buf[this.pos] & 127) << 28) >>> 0;
          bits.hi = (bits.hi | (this.buf[this.pos] & 127) >>  4) >>> 0;
          if (this.buf[this.pos++] < 128)
              return bits;
          i = 0;
      } else {
          for (; i < 3; ++i) {
              /* istanbul ignore if */
              if (this.pos >= this.len)
                  throw indexOutOfRange(this);
              // 1st..3th
              bits.lo = (bits.lo | (this.buf[this.pos] & 127) << i * 7) >>> 0;
              if (this.buf[this.pos++] < 128)
                  return bits;
          }
          // 4th
          bits.lo = (bits.lo | (this.buf[this.pos++] & 127) << i * 7) >>> 0;
          return bits;
      }
      if (this.len - this.pos > 4) { // fast route (hi)
          for (; i < 5; ++i) {
              // 6th..10th
              bits.hi = (bits.hi | (this.buf[this.pos] & 127) << i * 7 + 3) >>> 0;
              if (this.buf[this.pos++] < 128)
                  return bits;
          }
      } else {
          for (; i < 5; ++i) {
              /* istanbul ignore if */
              if (this.pos >= this.len)
                  throw indexOutOfRange(this);
              // 6th..10th
              bits.hi = (bits.hi | (this.buf[this.pos] & 127) << i * 7 + 3) >>> 0;
              if (this.buf[this.pos++] < 128)
                  return bits;
          }
      }
      /* istanbul ignore next */
      throw Error("invalid varint encoding");
  }
  
  /* eslint-enable no-invalid-this */
  
  /**
   * Reads a varint as a signed 64 bit value.
   * @name Reader#int64
   * @function
   * @returns {Long} Value read
   */
  
  /**
   * Reads a varint as an unsigned 64 bit value.
   * @name Reader#uint64
   * @function
   * @returns {Long} Value read
   */
  
  /**
   * Reads a zig-zag encoded varint as a signed 64 bit value.
   * @name Reader#sint64
   * @function
   * @returns {Long} Value read
   */
  
  /**
   * Reads a varint as a boolean.
   * @returns {boolean} Value read
   */
  Reader.prototype.bool = function read_bool() {
      return this.uint32() !== 0;
  };
  
  function readFixed32_end(buf, end) { // note that this uses `end`, not `pos`
      return (buf[end - 4]
            | buf[end - 3] << 8
            | buf[end - 2] << 16
            | buf[end - 1] << 24) >>> 0;
  }
  
  /**
   * Reads fixed 32 bits as an unsigned 32 bit integer.
   * @returns {number} Value read
   */
  Reader.prototype.fixed32 = function read_fixed32() {
  
      /* istanbul ignore if */
      if (this.pos + 4 > this.len)
          throw indexOutOfRange(this, 4);
  
      return readFixed32_end(this.buf, this.pos += 4);
  };
  
  /**
   * Reads fixed 32 bits as a signed 32 bit integer.
   * @returns {number} Value read
   */
  Reader.prototype.sfixed32 = function read_sfixed32() {
  
      /* istanbul ignore if */
      if (this.pos + 4 > this.len)
          throw indexOutOfRange(this, 4);
  
      return readFixed32_end(this.buf, this.pos += 4) | 0;
  };
  
  /* eslint-disable no-invalid-this */
  
  function readFixed64(/* this: Reader */) {
  
      /* istanbul ignore if */
      if (this.pos + 8 > this.len)
          throw indexOutOfRange(this, 8);
  
      return new LongBits(readFixed32_end(this.buf, this.pos += 4), readFixed32_end(this.buf, this.pos += 4));
  }
  
  /* eslint-enable no-invalid-this */
  
  /**
   * Reads fixed 64 bits.
   * @name Reader#fixed64
   * @function
   * @returns {Long} Value read
   */
  
  /**
   * Reads zig-zag encoded fixed 64 bits.
   * @name Reader#sfixed64
   * @function
   * @returns {Long} Value read
   */
  
  /**
   * Reads a float (32 bit) as a number.
   * @function
   * @returns {number} Value read
   */
  Reader.prototype.float = function read_float() {
  
      /* istanbul ignore if */
      if (this.pos + 4 > this.len)
          throw indexOutOfRange(this, 4);
  
      var value = util.float.readFloatLE(this.buf, this.pos);
      this.pos += 4;
      return value;
  };
  
  /**
   * Reads a double (64 bit float) as a number.
   * @function
   * @returns {number} Value read
   */
  Reader.prototype.double = function read_double() {
  
      /* istanbul ignore if */
      if (this.pos + 8 > this.len)
          throw indexOutOfRange(this, 4);
  
      var value = util.float.readDoubleLE(this.buf, this.pos);
      this.pos += 8;
      return value;
  };
  
  /**
   * Reads a sequence of bytes preceeded by its length as a varint.
   * @returns {Uint8Array} Value read
   */
  Reader.prototype.bytes = function read_bytes() {
      var length = this.uint32(),
          start  = this.pos,
          end    = this.pos + length;
  
      /* istanbul ignore if */
      if (end > this.len)
          throw indexOutOfRange(this, length);
  
      this.pos += length;
      if (Array.isArray(this.buf)) // plain array
          return this.buf.slice(start, end);
      return start === end // fix for IE 10/Win8 and others' subarray returning array of size 1
          ? new this.buf.constructor(0)
          : this._slice.call(this.buf, start, end);
  };
  
  /**
   * Reads a string preceeded by its byte length as a varint.
   * @returns {string} Value read
   */
  Reader.prototype.string = function read_string() {
      var bytes = this.bytes();
      return utf8.read(bytes, 0, bytes.length);
  };
  
  /**
   * Skips the specified number of bytes if specified, otherwise skips a varint.
   * @param {number} [length] Length if known, otherwise a varint is assumed
   * @returns {Reader} `this`
   */
  Reader.prototype.skip = function skip(length) {
      if (typeof length === "number") {
          /* istanbul ignore if */
          if (this.pos + length > this.len)
              throw indexOutOfRange(this, length);
          this.pos += length;
      } else {
          do {
              /* istanbul ignore if */
              if (this.pos >= this.len)
                  throw indexOutOfRange(this);
          } while (this.buf[this.pos++] & 128);
      }
      return this;
  };
  
  /**
   * Skips the next element of the specified wire type.
   * @param {number} wireType Wire type received
   * @returns {Reader} `this`
   */
  Reader.prototype.skipType = function(wireType) {
      switch (wireType) {
          case 0:
              this.skip();
              break;
          case 1:
              this.skip(8);
              break;
          case 2:
              this.skip(this.uint32());
              break;
          case 3:
              while ((wireType = this.uint32() & 7) !== 4) {
                  this.skipType(wireType);
              }
              break;
          case 5:
              this.skip(4);
              break;
  
          /* istanbul ignore next */
          default:
              throw Error("invalid wire type " + wireType + " at offset " + this.pos);
      }
      return this;
  };
  
  Reader._configure = function(BufferReader_) {
      BufferReader = BufferReader_;
      Reader.create = create();
      BufferReader._configure();
  
      var fn = util.Long ? "toLong" : /* istanbul ignore next */ "toNumber";
      util.merge(Reader.prototype, {
  
          int64: function read_int64() {
              return readLongVarint.call(this)[fn](false);
          },
  
          uint64: function read_uint64() {
              return readLongVarint.call(this)[fn](true);
          },
  
          sint64: function read_sint64() {
              return readLongVarint.call(this).zzDecode()[fn](false);
          },
  
          fixed64: function read_fixed64() {
              return readFixed64.call(this)[fn](true);
          },
  
          sfixed64: function read_sfixed64() {
              return readFixed64.call(this)[fn](false);
          }
  
      });
  };
  
  },{"15":15}],10:[function(require,module,exports){
  "use strict";
  module.exports = BufferReader;
  
  // extends Reader
  var Reader = require(9);
  (BufferReader.prototype = Object.create(Reader.prototype)).constructor = BufferReader;
  
  var util = require(15);
  
  /**
   * Constructs a new buffer reader instance.
   * @classdesc Wire format reader using node buffers.
   * @extends Reader
   * @constructor
   * @param {Buffer} buffer Buffer to read from
   */
  function BufferReader(buffer) {
      Reader.call(this, buffer);
  
      /**
       * Read buffer.
       * @name BufferReader#buf
       * @type {Buffer}
       */
  }
  
  BufferReader._configure = function () {
      /* istanbul ignore else */
      if (util.Buffer)
          BufferReader.prototype._slice = util.Buffer.prototype.slice;
  };
  
  
  /**
   * @override
   */
  BufferReader.prototype.string = function read_string_buffer() {
      var len = this.uint32(); // modifies pos
      return this.buf.utf8Slice
          ? this.buf.utf8Slice(this.pos, this.pos = Math.min(this.pos + len, this.len))
          : this.buf.toString("utf-8", this.pos, this.pos = Math.min(this.pos + len, this.len));
  };
  
  /**
   * Reads a sequence of bytes preceeded by its length as a varint.
   * @name BufferReader#bytes
   * @function
   * @returns {Buffer} Value read
   */
  
  BufferReader._configure();
  
  },{"15":15,"9":9}],11:[function(require,module,exports){
  "use strict";
  module.exports = {};
  
  /**
   * Named roots.
   * This is where pbjs stores generated structures (the option `-r, --root` specifies a name).
   * Can also be used manually to make roots available accross modules.
   * @name roots
   * @type {Object.<string,Root>}
   * @example
   * // pbjs -r myroot -o compiled.js ...
   *
   * // in another module:
   * require("./compiled.js");
   *
   * // in any subsequent module:
   * var root = protobuf.roots["myroot"];
   */
  
  },{}],12:[function(require,module,exports){
  "use strict";
  
  /**
   * Streaming RPC helpers.
   * @namespace
   */
  var rpc = exports;
  
  /**
   * RPC implementation passed to {@link Service#create} performing a service request on network level, i.e. by utilizing http requests or websockets.
   * @typedef RPCImpl
   * @type {function}
   * @param {Method|rpc.ServiceMethod<Message<{}>,Message<{}>>} method Reflected or static method being called
   * @param {Uint8Array} requestData Request data
   * @param {RPCImplCallback} callback Callback function
   * @returns {undefined}
   * @example
   * function rpcImpl(method, requestData, callback) {
   *     if (protobuf.util.lcFirst(method.name) !== "myMethod") // compatible with static code
   *         throw Error("no such method");
   *     asynchronouslyObtainAResponse(requestData, function(err, responseData) {
   *         callback(err, responseData);
   *     });
   * }
   */
  
  /**
   * Node-style callback as used by {@link RPCImpl}.
   * @typedef RPCImplCallback
   * @type {function}
   * @param {Error|null} error Error, if any, otherwise `null`
   * @param {Uint8Array|null} [response] Response data or `null` to signal end of stream, if there hasn't been an error
   * @returns {undefined}
   */
  
  rpc.Service = require(13);
  
  },{"13":13}],13:[function(require,module,exports){
  "use strict";
  module.exports = Service;
  
  var util = require(15);
  
  // Extends EventEmitter
  (Service.prototype = Object.create(util.EventEmitter.prototype)).constructor = Service;
  
  /**
   * A service method callback as used by {@link rpc.ServiceMethod|ServiceMethod}.
   *
   * Differs from {@link RPCImplCallback} in that it is an actual callback of a service method which may not return `response = null`.
   * @typedef rpc.ServiceMethodCallback
   * @template TRes extends Message<TRes>
   * @type {function}
   * @param {Error|null} error Error, if any
   * @param {TRes} [response] Response message
   * @returns {undefined}
   */
  
  /**
   * A service method part of a {@link rpc.Service} as created by {@link Service.create}.
   * @typedef rpc.ServiceMethod
   * @template TReq extends Message<TReq>
   * @template TRes extends Message<TRes>
   * @type {function}
   * @param {TReq|Properties<TReq>} request Request message or plain object
   * @param {rpc.ServiceMethodCallback<TRes>} [callback] Node-style callback called with the error, if any, and the response message
   * @returns {Promise<Message<TRes>>} Promise if `callback` has been omitted, otherwise `undefined`
   */
  
  /**
   * Constructs a new RPC service instance.
   * @classdesc An RPC service as returned by {@link Service#create}.
   * @exports rpc.Service
   * @extends util.EventEmitter
   * @constructor
   * @param {RPCImpl} rpcImpl RPC implementation
   * @param {boolean} [requestDelimited=false] Whether requests are length-delimited
   * @param {boolean} [responseDelimited=false] Whether responses are length-delimited
   */
  function Service(rpcImpl, requestDelimited, responseDelimited) {
  
      if (typeof rpcImpl !== "function")
          throw TypeError("rpcImpl must be a function");
  
      util.EventEmitter.call(this);
  
      /**
       * RPC implementation. Becomes `null` once the service is ended.
       * @type {RPCImpl|null}
       */
      this.rpcImpl = rpcImpl;
  
      /**
       * Whether requests are length-delimited.
       * @type {boolean}
       */
      this.requestDelimited = Boolean(requestDelimited);
  
      /**
       * Whether responses are length-delimited.
       * @type {boolean}
       */
      this.responseDelimited = Boolean(responseDelimited);
  }
  
  /**
   * Calls a service method through {@link rpc.Service#rpcImpl|rpcImpl}.
   * @param {Method|rpc.ServiceMethod<TReq,TRes>} method Reflected or static method
   * @param {Constructor<TReq>} requestCtor Request constructor
   * @param {Constructor<TRes>} responseCtor Response constructor
   * @param {TReq|Properties<TReq>} request Request message or plain object
   * @param {rpc.ServiceMethodCallback<TRes>} callback Service callback
   * @returns {undefined}
   * @template TReq extends Message<TReq>
   * @template TRes extends Message<TRes>
   */
  Service.prototype.rpcCall = function rpcCall(method, requestCtor, responseCtor, request, callback) {
  
      if (!request)
          throw TypeError("request must be specified");
  
      var self = this;
      if (!callback)
          return util.asPromise(rpcCall, self, method, requestCtor, responseCtor, request);
  
      if (!self.rpcImpl) {
          setTimeout(function() { callback(Error("already ended")); }, 0);
          return undefined;
      }
  
      try {
          return self.rpcImpl(
              method,
              requestCtor[self.requestDelimited ? "encodeDelimited" : "encode"](request).finish(),
              function rpcCallback(err, response) {
  
                  if (err) {
                      self.emit("error", err, method);
                      return callback(err);
                  }
  
                  if (response === null) {
                      self.end(/* endedByRPC */ true);
                      return undefined;
                  }
  
                  if (!(response instanceof responseCtor)) {
                      try {
                          response = responseCtor[self.responseDelimited ? "decodeDelimited" : "decode"](response);
                      } catch (err) {
                          self.emit("error", err, method);
                          return callback(err);
                      }
                  }
  
                  self.emit("data", response, method);
                  return callback(null, response);
              }
          );
      } catch (err) {
          self.emit("error", err, method);
          setTimeout(function() { callback(err); }, 0);
          return undefined;
      }
  };
  
  /**
   * Ends this service and emits the `end` event.
   * @param {boolean} [endedByRPC=false] Whether the service has been ended by the RPC implementation.
   * @returns {rpc.Service} `this`
   */
  Service.prototype.end = function end(endedByRPC) {
      if (this.rpcImpl) {
          if (!endedByRPC) // signal end to rpcImpl
              this.rpcImpl(null, null, null);
          this.rpcImpl = null;
          this.emit("end").off();
      }
      return this;
  };
  
  },{"15":15}],14:[function(require,module,exports){
  "use strict";
  module.exports = LongBits;
  
  var util = require(15);
  
  /**
   * Constructs new long bits.
   * @classdesc Helper class for working with the low and high bits of a 64 bit value.
   * @memberof util
   * @constructor
   * @param {number} lo Low 32 bits, unsigned
   * @param {number} hi High 32 bits, unsigned
   */
  function LongBits(lo, hi) {
  
      // note that the casts below are theoretically unnecessary as of today, but older statically
      // generated converter code might still call the ctor with signed 32bits. kept for compat.
  
      /**
       * Low bits.
       * @type {number}
       */
      this.lo = lo >>> 0;
  
      /**
       * High bits.
       * @type {number}
       */
      this.hi = hi >>> 0;
  }
  
  /**
   * Zero bits.
   * @memberof util.LongBits
   * @type {util.LongBits}
   */
  var zero = LongBits.zero = new LongBits(0, 0);
  
  zero.toNumber = function() { return 0; };
  zero.zzEncode = zero.zzDecode = function() { return this; };
  zero.length = function() { return 1; };
  
  /**
   * Zero hash.
   * @memberof util.LongBits
   * @type {string}
   */
  var zeroHash = LongBits.zeroHash = "\0\0\0\0\0\0\0\0";
  
  /**
   * Constructs new long bits from the specified number.
   * @param {number} value Value
   * @returns {util.LongBits} Instance
   */
  LongBits.fromNumber = function fromNumber(value) {
      if (value === 0)
          return zero;
      var sign = value < 0;
      if (sign)
          value = -value;
      var lo = value >>> 0,
          hi = (value - lo) / 4294967296 >>> 0;
      if (sign) {
          hi = ~hi >>> 0;
          lo = ~lo >>> 0;
          if (++lo > 4294967295) {
              lo = 0;
              if (++hi > 4294967295)
                  hi = 0;
          }
      }
      return new LongBits(lo, hi);
  };
  
  /**
   * Constructs new long bits from a number, long or string.
   * @param {Long|number|string} value Value
   * @returns {util.LongBits} Instance
   */
  LongBits.from = function from(value) {
      if (typeof value === "number")
          return LongBits.fromNumber(value);
      if (util.isString(value)) {
          /* istanbul ignore else */
          if (util.Long)
              value = util.Long.fromString(value);
          else
              return LongBits.fromNumber(parseInt(value, 10));
      }
      return value.low || value.high ? new LongBits(value.low >>> 0, value.high >>> 0) : zero;
  };
  
  /**
   * Converts this long bits to a possibly unsafe JavaScript number.
   * @param {boolean} [unsigned=false] Whether unsigned or not
   * @returns {number} Possibly unsafe number
   */
  LongBits.prototype.toNumber = function toNumber(unsigned) {
      if (!unsigned && this.hi >>> 31) {
          var lo = ~this.lo + 1 >>> 0,
              hi = ~this.hi     >>> 0;
          if (!lo)
              hi = hi + 1 >>> 0;
          return -(lo + hi * 4294967296);
      }
      return this.lo + this.hi * 4294967296;
  };
  
  /**
   * Converts this long bits to a long.
   * @param {boolean} [unsigned=false] Whether unsigned or not
   * @returns {Long} Long
   */
  LongBits.prototype.toLong = function toLong(unsigned) {
      return util.Long
          ? new util.Long(this.lo | 0, this.hi | 0, Boolean(unsigned))
          /* istanbul ignore next */
          : { low: this.lo | 0, high: this.hi | 0, unsigned: Boolean(unsigned) };
  };
  
  var charCodeAt = String.prototype.charCodeAt;
  
  /**
   * Constructs new long bits from the specified 8 characters long hash.
   * @param {string} hash Hash
   * @returns {util.LongBits} Bits
   */
  LongBits.fromHash = function fromHash(hash) {
      if (hash === zeroHash)
          return zero;
      return new LongBits(
          ( charCodeAt.call(hash, 0)
          | charCodeAt.call(hash, 1) << 8
          | charCodeAt.call(hash, 2) << 16
          | charCodeAt.call(hash, 3) << 24) >>> 0
      ,
          ( charCodeAt.call(hash, 4)
          | charCodeAt.call(hash, 5) << 8
          | charCodeAt.call(hash, 6) << 16
          | charCodeAt.call(hash, 7) << 24) >>> 0
      );
  };
  
  /**
   * Converts this long bits to a 8 characters long hash.
   * @returns {string} Hash
   */
  LongBits.prototype.toHash = function toHash() {
      return String.fromCharCode(
          this.lo        & 255,
          this.lo >>> 8  & 255,
          this.lo >>> 16 & 255,
          this.lo >>> 24      ,
          this.hi        & 255,
          this.hi >>> 8  & 255,
          this.hi >>> 16 & 255,
          this.hi >>> 24
      );
  };
  
  /**
   * Zig-zag encodes this long bits.
   * @returns {util.LongBits} `this`
   */
  LongBits.prototype.zzEncode = function zzEncode() {
      var mask =   this.hi >> 31;
      this.hi  = ((this.hi << 1 | this.lo >>> 31) ^ mask) >>> 0;
      this.lo  = ( this.lo << 1                   ^ mask) >>> 0;
      return this;
  };
  
  /**
   * Zig-zag decodes this long bits.
   * @returns {util.LongBits} `this`
   */
  LongBits.prototype.zzDecode = function zzDecode() {
      var mask = -(this.lo & 1);
      this.lo  = ((this.lo >>> 1 | this.hi << 31) ^ mask) >>> 0;
      this.hi  = ( this.hi >>> 1                  ^ mask) >>> 0;
      return this;
  };
  
  /**
   * Calculates the length of this longbits when encoded as a varint.
   * @returns {number} Length
   */
  LongBits.prototype.length = function length() {
      var part0 =  this.lo,
          part1 = (this.lo >>> 28 | this.hi << 4) >>> 0,
          part2 =  this.hi >>> 24;
      return part2 === 0
           ? part1 === 0
             ? part0 < 16384
               ? part0 < 128 ? 1 : 2
               : part0 < 2097152 ? 3 : 4
             : part1 < 16384
               ? part1 < 128 ? 5 : 6
               : part1 < 2097152 ? 7 : 8
           : part2 < 128 ? 9 : 10;
  };
  
  },{"15":15}],15:[function(require,module,exports){
  "use strict";
  var util = exports;
  
  // used to return a Promise where callback is omitted
  util.asPromise = require(1);
  
  // converts to / from base64 encoded strings
  util.base64 = require(2);
  
  // base class of rpc.Service
  util.EventEmitter = require(3);
  
  // float handling accross browsers
  util.float = require(4);
  
  // requires modules optionally and hides the call from bundlers
  util.inquire = require(5);
  
  // converts to / from utf8 encoded strings
  util.utf8 = require(7);
  
  // provides a node-like buffer pool in the browser
  util.pool = require(6);
  
  // utility to work with the low and high bits of a 64 bit value
  util.LongBits = require(14);
  
  /**
   * Whether running within node or not.
   * @memberof util
   * @type {boolean}
   */
  util.isNode = Boolean(typeof global !== "undefined"
                     && global
                     && global.process
                     && global.process.versions
                     && global.process.versions.node);
  
  /**
   * Global object reference.
   * @memberof util
   * @type {Object}
   */
  util.global = util.isNode && global
             || typeof window !== "undefined" && window
             || typeof self   !== "undefined" && self
             || this; // eslint-disable-line no-invalid-this
  
  /**
   * An immuable empty array.
   * @memberof util
   * @type {Array.<*>}
   * @const
   */
  util.emptyArray = Object.freeze ? Object.freeze([]) : /* istanbul ignore next */ []; // used on prototypes
  
  /**
   * An immutable empty object.
   * @type {Object}
   * @const
   */
  util.emptyObject = Object.freeze ? Object.freeze({}) : /* istanbul ignore next */ {}; // used on prototypes
  
  /**
   * Tests if the specified value is an integer.
   * @function
   * @param {*} value Value to test
   * @returns {boolean} `true` if the value is an integer
   */
  util.isInteger = Number.isInteger || /* istanbul ignore next */ function isInteger(value) {
      return typeof value === "number" && isFinite(value) && Math.floor(value) === value;
  };
  
  /**
   * Tests if the specified value is a string.
   * @param {*} value Value to test
   * @returns {boolean} `true` if the value is a string
   */
  util.isString = function isString(value) {
      return typeof value === "string" || value instanceof String;
  };
  
  /**
   * Tests if the specified value is a non-null object.
   * @param {*} value Value to test
   * @returns {boolean} `true` if the value is a non-null object
   */
  util.isObject = function isObject(value) {
      return value && typeof value === "object";
  };
  
  /**
   * Checks if a property on a message is considered to be present.
   * This is an alias of {@link util.isSet}.
   * @function
   * @param {Object} obj Plain object or message instance
   * @param {string} prop Property name
   * @returns {boolean} `true` if considered to be present, otherwise `false`
   */
  util.isset =
  
  /**
   * Checks if a property on a message is considered to be present.
   * @param {Object} obj Plain object or message instance
   * @param {string} prop Property name
   * @returns {boolean} `true` if considered to be present, otherwise `false`
   */
  util.isSet = function isSet(obj, prop) {
      var value = obj[prop];
      if (value != null && obj.hasOwnProperty(prop)) // eslint-disable-line eqeqeq, no-prototype-builtins
          return typeof value !== "object" || (Array.isArray(value) ? value.length : Object.keys(value).length) > 0;
      return false;
  };
  
  /**
   * Any compatible Buffer instance.
   * This is a minimal stand-alone definition of a Buffer instance. The actual type is that exported by node's typings.
   * @interface Buffer
   * @extends Uint8Array
   */
  
  /**
   * Node's Buffer class if available.
   * @type {Constructor<Buffer>}
   */
  util.Buffer = (function() {
      try {
          var Buffer = util.inquire("buffer").Buffer;
          // refuse to use non-node buffers if not explicitly assigned (perf reasons):
          return Buffer.prototype.utf8Write ? Buffer : /* istanbul ignore next */ null;
      } catch (e) {
          /* istanbul ignore next */
          return null;
      }
  })();
  
  // Internal alias of or polyfull for Buffer.from.
  util._Buffer_from = null;
  
  // Internal alias of or polyfill for Buffer.allocUnsafe.
  util._Buffer_allocUnsafe = null;
  
  /**
   * Creates a new buffer of whatever type supported by the environment.
   * @param {number|number[]} [sizeOrArray=0] Buffer size or number array
   * @returns {Uint8Array|Buffer} Buffer
   */
  util.newBuffer = function newBuffer(sizeOrArray) {
      /* istanbul ignore next */
      return typeof sizeOrArray === "number"
          ? util.Buffer
              ? util._Buffer_allocUnsafe(sizeOrArray)
              : new util.Array(sizeOrArray)
          : util.Buffer
              ? util._Buffer_from(sizeOrArray)
              : typeof Uint8Array === "undefined"
                  ? sizeOrArray
                  : new Uint8Array(sizeOrArray);
  };
  
  /**
   * Array implementation used in the browser. `Uint8Array` if supported, otherwise `Array`.
   * @type {Constructor<Uint8Array>}
   */
  util.Array = typeof Uint8Array !== "undefined" ? Uint8Array /* istanbul ignore next */ : Array;
  
  /**
   * Any compatible Long instance.
   * This is a minimal stand-alone definition of a Long instance. The actual type is that exported by long.js.
   * @interface Long
   * @property {number} low Low bits
   * @property {number} high High bits
   * @property {boolean} unsigned Whether unsigned or not
   */
  
  /**
   * Long.js's Long class if available.
   * @type {Constructor<Long>}
   */
  util.Long = /* istanbul ignore next */ util.global.dcodeIO && /* istanbul ignore next */ util.global.dcodeIO.Long
           || /* istanbul ignore next */ util.global.Long
           || util.inquire("long");
  
  /**
   * Regular expression used to verify 2 bit (`bool`) map keys.
   * @type {RegExp}
   * @const
   */
  util.key2Re = /^true|false|0|1$/;
  
  /**
   * Regular expression used to verify 32 bit (`int32` etc.) map keys.
   * @type {RegExp}
   * @const
   */
  util.key32Re = /^-?(?:0|[1-9][0-9]*)$/;
  
  /**
   * Regular expression used to verify 64 bit (`int64` etc.) map keys.
   * @type {RegExp}
   * @const
   */
  util.key64Re = /^(?:[\\x00-\\xff]{8}|-?(?:0|[1-9][0-9]*))$/;
  
  /**
   * Converts a number or long to an 8 characters long hash string.
   * @param {Long|number} value Value to convert
   * @returns {string} Hash
   */
  util.longToHash = function longToHash(value) {
      return value
          ? util.LongBits.from(value).toHash()
          : util.LongBits.zeroHash;
  };
  
  /**
   * Converts an 8 characters long hash string to a long or number.
   * @param {string} hash Hash
   * @param {boolean} [unsigned=false] Whether unsigned or not
   * @returns {Long|number} Original value
   */
  util.longFromHash = function longFromHash(hash, unsigned) {
      var bits = util.LongBits.fromHash(hash);
      if (util.Long)
          return util.Long.fromBits(bits.lo, bits.hi, unsigned);
      return bits.toNumber(Boolean(unsigned));
  };
  
  /**
   * Merges the properties of the source object into the destination object.
   * @memberof util
   * @param {Object.<string,*>} dst Destination object
   * @param {Object.<string,*>} src Source object
   * @param {boolean} [ifNotSet=false] Merges only if the key is not already set
   * @returns {Object.<string,*>} Destination object
   */
  function merge(dst, src, ifNotSet) { // used by converters
      for (var keys = Object.keys(src), i = 0; i < keys.length; ++i)
          if (dst[keys[i]] === undefined || !ifNotSet)
              dst[keys[i]] = src[keys[i]];
      return dst;
  }
  
  util.merge = merge;
  
  /**
   * Converts the first character of a string to lower case.
   * @param {string} str String to convert
   * @returns {string} Converted string
   */
  util.lcFirst = function lcFirst(str) {
      return str.charAt(0).toLowerCase() + str.substring(1);
  };
  
  /**
   * Creates a custom error constructor.
   * @memberof util
   * @param {string} name Error name
   * @returns {Constructor<Error>} Custom error constructor
   */
  function newError(name) {
  
      function CustomError(message, properties) {
  
          if (!(this instanceof CustomError))
              return new CustomError(message, properties);
  
          // Error.call(this, message);
          // ^ just returns a new error instance because the ctor can be called as a function
  
          Object.defineProperty(this, "message", { get: function() { return message; } });
  
          /* istanbul ignore next */
          if (Error.captureStackTrace) // node
              Error.captureStackTrace(this, CustomError);
          else
              Object.defineProperty(this, "stack", { value: new Error().stack || "" });
  
          if (properties)
              merge(this, properties);
      }
  
      (CustomError.prototype = Object.create(Error.prototype)).constructor = CustomError;
  
      Object.defineProperty(CustomError.prototype, "name", { get: function() { return name; } });
  
      CustomError.prototype.toString = function toString() {
          return this.name + ": " + this.message;
      };
  
      return CustomError;
  }
  
  util.newError = newError;
  
  /**
   * Constructs a new protocol error.
   * @classdesc Error subclass indicating a protocol specifc error.
   * @memberof util
   * @extends Error
   * @template T extends Message<T>
   * @constructor
   * @param {string} message Error message
   * @param {Object.<string,*>} [properties] Additional properties
   * @example
   * try {
   *     MyMessage.decode(someBuffer); // throws if required fields are missing
   * } catch (e) {
   *     if (e instanceof ProtocolError && e.instance)
   *         console.log("decoded so far: " + JSON.stringify(e.instance));
   * }
   */
  util.ProtocolError = newError("ProtocolError");
  
  /**
   * So far decoded message instance.
   * @name util.ProtocolError#instance
   * @type {Message<T>}
   */
  
  /**
   * A OneOf getter as returned by {@link util.oneOfGetter}.
   * @typedef OneOfGetter
   * @type {function}
   * @returns {string|undefined} Set field name, if any
   */
  
  /**
   * Builds a getter for a oneof's present field name.
   * @param {string[]} fieldNames Field names
   * @returns {OneOfGetter} Unbound getter
   */
  util.oneOfGetter = function getOneOf(fieldNames) {
      var fieldMap = {};
      for (var i = 0; i < fieldNames.length; ++i)
          fieldMap[fieldNames[i]] = 1;
  
      /**
       * @returns {string|undefined} Set field name, if any
       * @this Object
       * @ignore
       */
      return function() { // eslint-disable-line consistent-return
          for (var keys = Object.keys(this), i = keys.length - 1; i > -1; --i)
              if (fieldMap[keys[i]] === 1 && this[keys[i]] !== undefined && this[keys[i]] !== null)
                  return keys[i];
      };
  };
  
  /**
   * A OneOf setter as returned by {@link util.oneOfSetter}.
   * @typedef OneOfSetter
   * @type {function}
   * @param {string|undefined} value Field name
   * @returns {undefined}
   */
  
  /**
   * Builds a setter for a oneof's present field name.
   * @param {string[]} fieldNames Field names
   * @returns {OneOfSetter} Unbound setter
   */
  util.oneOfSetter = function setOneOf(fieldNames) {
  
      /**
       * @param {string} name Field name
       * @returns {undefined}
       * @this Object
       * @ignore
       */
      return function(name) {
          for (var i = 0; i < fieldNames.length; ++i)
              if (fieldNames[i] !== name)
                  delete this[fieldNames[i]];
      };
  };
  
  /**
   * Default conversion options used for {@link Message#toJSON} implementations.
   *
   * These options are close to proto3's JSON mapping with the exception that internal types like Any are handled just like messages. More precisely:
   *
   * - Longs become strings
   * - Enums become string keys
   * - Bytes become base64 encoded strings
   * - (Sub-)Messages become plain objects
   * - Maps become plain objects with all string keys
   * - Repeated fields become arrays
   * - NaN and Infinity for float and double fields become strings
   *
   * @type {IConversionOptions}
   * @see https://developers.google.com/protocol-buffers/docs/proto3?hl=en#json
   */
  util.toJSONOptions = {
      longs: String,
      enums: String,
      bytes: String,
      json: true
  };
  
  // Sets up buffer utility according to the environment (called in index-minimal)
  util._configure = function() {
      var Buffer = util.Buffer;
      /* istanbul ignore if */
      if (!Buffer) {
          util._Buffer_from = util._Buffer_allocUnsafe = null;
          return;
      }
      // because node 4.x buffers are incompatible & immutable
      // see: https://github.com/dcodeIO/protobuf.js/pull/665
      util._Buffer_from = Buffer.from !== Uint8Array.from && Buffer.from ||
          /* istanbul ignore next */
          function Buffer_from(value, encoding) {
              return new Buffer(value, encoding);
          };
      util._Buffer_allocUnsafe = Buffer.allocUnsafe ||
          /* istanbul ignore next */
          function Buffer_allocUnsafe(size) {
              return new Buffer(size);
          };
  };
  
  },{"1":1,"14":14,"2":2,"3":3,"4":4,"5":5,"6":6,"7":7}],16:[function(require,module,exports){
  "use strict";
  module.exports = Writer;
  
  var util      = require(15);
  
  var BufferWriter; // cyclic
  
  var LongBits  = util.LongBits,
      base64    = util.base64,
      utf8      = util.utf8;
  
  /**
   * Constructs a new writer operation instance.
   * @classdesc Scheduled writer operation.
   * @constructor
   * @param {function(*, Uint8Array, number)} fn Function to call
   * @param {number} len Value byte length
   * @param {*} val Value to write
   * @ignore
   */
  function Op(fn, len, val) {
  
      /**
       * Function to call.
       * @type {function(Uint8Array, number, *)}
       */
      this.fn = fn;
  
      /**
       * Value byte length.
       * @type {number}
       */
      this.len = len;
  
      /**
       * Next operation.
       * @type {Writer.Op|undefined}
       */
      this.next = undefined;
  
      /**
       * Value to write.
       * @type {*}
       */
      this.val = val; // type varies
  }
  
  /* istanbul ignore next */
  function noop() {} // eslint-disable-line no-empty-function
  
  /**
   * Constructs a new writer state instance.
   * @classdesc Copied writer state.
   * @memberof Writer
   * @constructor
   * @param {Writer} writer Writer to copy state from
   * @ignore
   */
  function State(writer) {
  
      /**
       * Current head.
       * @type {Writer.Op}
       */
      this.head = writer.head;
  
      /**
       * Current tail.
       * @type {Writer.Op}
       */
      this.tail = writer.tail;
  
      /**
       * Current buffer length.
       * @type {number}
       */
      this.len = writer.len;
  
      /**
       * Next state.
       * @type {State|null}
       */
      this.next = writer.states;
  }
  
  /**
   * Constructs a new writer instance.
   * @classdesc Wire format writer using `Uint8Array` if available, otherwise `Array`.
   * @constructor
   */
  function Writer() {
  
      /**
       * Current length.
       * @type {number}
       */
      this.len = 0;
  
      /**
       * Operations head.
       * @type {Object}
       */
      this.head = new Op(noop, 0, 0);
  
      /**
       * Operations tail
       * @type {Object}
       */
      this.tail = this.head;
  
      /**
       * Linked forked states.
       * @type {Object|null}
       */
      this.states = null;
  
      // When a value is written, the writer calculates its byte length and puts it into a linked
      // list of operations to perform when finish() is called. This both allows us to allocate
      // buffers of the exact required size and reduces the amount of work we have to do compared
      // to first calculating over objects and then encoding over objects. In our case, the encoding
      // part is just a linked list walk calling operations with already prepared values.
  }
  
  var create = function create() {
      return util.Buffer
          ? function create_buffer_setup() {
              return (Writer.create = function create_buffer() {
                  return new BufferWriter();
              })();
          }
          /* istanbul ignore next */
          : function create_array() {
              return new Writer();
          };
  };
  
  /**
   * Creates a new writer.
   * @function
   * @returns {BufferWriter|Writer} A {@link BufferWriter} when Buffers are supported, otherwise a {@link Writer}
   */
  Writer.create = create();
  
  /**
   * Allocates a buffer of the specified size.
   * @param {number} size Buffer size
   * @returns {Uint8Array} Buffer
   */
  Writer.alloc = function alloc(size) {
      return new util.Array(size);
  };
  
  // Use Uint8Array buffer pool in the browser, just like node does with buffers
  /* istanbul ignore else */
  if (util.Array !== Array)
      Writer.alloc = util.pool(Writer.alloc, util.Array.prototype.subarray);
  
  /**
   * Pushes a new operation to the queue.
   * @param {function(Uint8Array, number, *)} fn Function to call
   * @param {number} len Value byte length
   * @param {number} val Value to write
   * @returns {Writer} `this`
   * @private
   */
  Writer.prototype._push = function push(fn, len, val) {
      this.tail = this.tail.next = new Op(fn, len, val);
      this.len += len;
      return this;
  };
  
  function writeByte(val, buf, pos) {
      buf[pos] = val & 255;
  }
  
  function writeVarint32(val, buf, pos) {
      while (val > 127) {
          buf[pos++] = val & 127 | 128;
          val >>>= 7;
      }
      buf[pos] = val;
  }
  
  /**
   * Constructs a new varint writer operation instance.
   * @classdesc Scheduled varint writer operation.
   * @extends Op
   * @constructor
   * @param {number} len Value byte length
   * @param {number} val Value to write
   * @ignore
   */
  function VarintOp(len, val) {
      this.len = len;
      this.next = undefined;
      this.val = val;
  }
  
  VarintOp.prototype = Object.create(Op.prototype);
  VarintOp.prototype.fn = writeVarint32;
  
  /**
   * Writes an unsigned 32 bit value as a varint.
   * @param {number} value Value to write
   * @returns {Writer} `this`
   */
  Writer.prototype.uint32 = function write_uint32(value) {
      // here, the call to this.push has been inlined and a varint specific Op subclass is used.
      // uint32 is by far the most frequently used operation and benefits significantly from this.
      this.len += (this.tail = this.tail.next = new VarintOp(
          (value = value >>> 0)
                  < 128       ? 1
          : value < 16384     ? 2
          : value < 2097152   ? 3
          : value < 268435456 ? 4
          :                     5,
      value)).len;
      return this;
  };
  
  /**
   * Writes a signed 32 bit value as a varint.
   * @function
   * @param {number} value Value to write
   * @returns {Writer} `this`
   */
  Writer.prototype.int32 = function write_int32(value) {
      return value < 0
          ? this._push(writeVarint64, 10, LongBits.fromNumber(value)) // 10 bytes per spec
          : this.uint32(value);
  };
  
  /**
   * Writes a 32 bit value as a varint, zig-zag encoded.
   * @param {number} value Value to write
   * @returns {Writer} `this`
   */
  Writer.prototype.sint32 = function write_sint32(value) {
      return this.uint32((value << 1 ^ value >> 31) >>> 0);
  };
  
  function writeVarint64(val, buf, pos) {
      while (val.hi) {
          buf[pos++] = val.lo & 127 | 128;
          val.lo = (val.lo >>> 7 | val.hi << 25) >>> 0;
          val.hi >>>= 7;
      }
      while (val.lo > 127) {
          buf[pos++] = val.lo & 127 | 128;
          val.lo = val.lo >>> 7;
      }
      buf[pos++] = val.lo;
  }
  
  /**
   * Writes an unsigned 64 bit value as a varint.
   * @param {Long|number|string} value Value to write
   * @returns {Writer} `this`
   * @throws {TypeError} If `value` is a string and no long library is present.
   */
  Writer.prototype.uint64 = function write_uint64(value) {
      var bits = LongBits.from(value);
      return this._push(writeVarint64, bits.length(), bits);
  };
  
  /**
   * Writes a signed 64 bit value as a varint.
   * @function
   * @param {Long|number|string} value Value to write
   * @returns {Writer} `this`
   * @throws {TypeError} If `value` is a string and no long library is present.
   */
  Writer.prototype.int64 = Writer.prototype.uint64;
  
  /**
   * Writes a signed 64 bit value as a varint, zig-zag encoded.
   * @param {Long|number|string} value Value to write
   * @returns {Writer} `this`
   * @throws {TypeError} If `value` is a string and no long library is present.
   */
  Writer.prototype.sint64 = function write_sint64(value) {
      var bits = LongBits.from(value).zzEncode();
      return this._push(writeVarint64, bits.length(), bits);
  };
  
  /**
   * Writes a boolish value as a varint.
   * @param {boolean} value Value to write
   * @returns {Writer} `this`
   */
  Writer.prototype.bool = function write_bool(value) {
      return this._push(writeByte, 1, value ? 1 : 0);
  };
  
  function writeFixed32(val, buf, pos) {
      buf[pos    ] =  val         & 255;
      buf[pos + 1] =  val >>> 8   & 255;
      buf[pos + 2] =  val >>> 16  & 255;
      buf[pos + 3] =  val >>> 24;
  }
  
  /**
   * Writes an unsigned 32 bit value as fixed 32 bits.
   * @param {number} value Value to write
   * @returns {Writer} `this`
   */
  Writer.prototype.fixed32 = function write_fixed32(value) {
      return this._push(writeFixed32, 4, value >>> 0);
  };
  
  /**
   * Writes a signed 32 bit value as fixed 32 bits.
   * @function
   * @param {number} value Value to write
   * @returns {Writer} `this`
   */
  Writer.prototype.sfixed32 = Writer.prototype.fixed32;
  
  /**
   * Writes an unsigned 64 bit value as fixed 64 bits.
   * @param {Long|number|string} value Value to write
   * @returns {Writer} `this`
   * @throws {TypeError} If `value` is a string and no long library is present.
   */
  Writer.prototype.fixed64 = function write_fixed64(value) {
      var bits = LongBits.from(value);
      return this._push(writeFixed32, 4, bits.lo)._push(writeFixed32, 4, bits.hi);
  };
  
  /**
   * Writes a signed 64 bit value as fixed 64 bits.
   * @function
   * @param {Long|number|string} value Value to write
   * @returns {Writer} `this`
   * @throws {TypeError} If `value` is a string and no long library is present.
   */
  Writer.prototype.sfixed64 = Writer.prototype.fixed64;
  
  /**
   * Writes a float (32 bit).
   * @function
   * @param {number} value Value to write
   * @returns {Writer} `this`
   */
  Writer.prototype.float = function write_float(value) {
      return this._push(util.float.writeFloatLE, 4, value);
  };
  
  /**
   * Writes a double (64 bit float).
   * @function
   * @param {number} value Value to write
   * @returns {Writer} `this`
   */
  Writer.prototype.double = function write_double(value) {
      return this._push(util.float.writeDoubleLE, 8, value);
  };
  
  var writeBytes = util.Array.prototype.set
      ? function writeBytes_set(val, buf, pos) {
          buf.set(val, pos); // also works for plain array values
      }
      /* istanbul ignore next */
      : function writeBytes_for(val, buf, pos) {
          for (var i = 0; i < val.length; ++i)
              buf[pos + i] = val[i];
      };
  
  /**
   * Writes a sequence of bytes.
   * @param {Uint8Array|string} value Buffer or base64 encoded string to write
   * @returns {Writer} `this`
   */
  Writer.prototype.bytes = function write_bytes(value) {
      var len = value.length >>> 0;
      if (!len)
          return this._push(writeByte, 1, 0);
      if (util.isString(value)) {
          var buf = Writer.alloc(len = base64.length(value));
          base64.decode(value, buf, 0);
          value = buf;
      }
      return this.uint32(len)._push(writeBytes, len, value);
  };
  
  /**
   * Writes a string.
   * @param {string} value Value to write
   * @returns {Writer} `this`
   */
  Writer.prototype.string = function write_string(value) {
      var len = utf8.length(value);
      return len
          ? this.uint32(len)._push(utf8.write, len, value)
          : this._push(writeByte, 1, 0);
  };
  
  /**
   * Forks this writer's state by pushing it to a stack.
   * Calling {@link Writer#reset|reset} or {@link Writer#ldelim|ldelim} resets the writer to the previous state.
   * @returns {Writer} `this`
   */
  Writer.prototype.fork = function fork() {
      this.states = new State(this);
      this.head = this.tail = new Op(noop, 0, 0);
      this.len = 0;
      return this;
  };
  
  /**
   * Resets this instance to the last state.
   * @returns {Writer} `this`
   */
  Writer.prototype.reset = function reset() {
      if (this.states) {
          this.head   = this.states.head;
          this.tail   = this.states.tail;
          this.len    = this.states.len;
          this.states = this.states.next;
      } else {
          this.head = this.tail = new Op(noop, 0, 0);
          this.len  = 0;
      }
      return this;
  };
  
  /**
   * Resets to the last state and appends the fork state's current write length as a varint followed by its operations.
   * @returns {Writer} `this`
   */
  Writer.prototype.ldelim = function ldelim() {
      var head = this.head,
          tail = this.tail,
          len  = this.len;
      this.reset().uint32(len);
      if (len) {
          this.tail.next = head.next; // skip noop
          this.tail = tail;
          this.len += len;
      }
      return this;
  };
  
  /**
   * Finishes the write operation.
   * @returns {Uint8Array} Finished buffer
   */
  Writer.prototype.finish = function finish() {
      var head = this.head.next, // skip noop
          buf  = this.constructor.alloc(this.len),
          pos  = 0;
      while (head) {
          head.fn(head.val, buf, pos);
          pos += head.len;
          head = head.next;
      }
      // this.head = this.tail = null;
      return buf;
  };
  
  Writer._configure = function(BufferWriter_) {
      BufferWriter = BufferWriter_;
      Writer.create = create();
      BufferWriter._configure();
  };
  
  },{"15":15}],17:[function(require,module,exports){
  "use strict";
  module.exports = BufferWriter;
  
  // extends Writer
  var Writer = require(16);
  (BufferWriter.prototype = Object.create(Writer.prototype)).constructor = BufferWriter;
  
  var util = require(15);
  
  /**
   * Constructs a new buffer writer instance.
   * @classdesc Wire format writer using node buffers.
   * @extends Writer
   * @constructor
   */
  function BufferWriter() {
      Writer.call(this);
  }
  
  BufferWriter._configure = function () {
      /**
       * Allocates a buffer of the specified size.
       * @function
       * @param {number} size Buffer size
       * @returns {Buffer} Buffer
       */
      BufferWriter.alloc = util._Buffer_allocUnsafe;
  
      BufferWriter.writeBytesBuffer = util.Buffer && util.Buffer.prototype instanceof Uint8Array && util.Buffer.prototype.set.name === "set"
          ? function writeBytesBuffer_set(val, buf, pos) {
            buf.set(val, pos); // faster than copy (requires node >= 4 where Buffers extend Uint8Array and set is properly inherited)
            // also works for plain array values
          }
          /* istanbul ignore next */
          : function writeBytesBuffer_copy(val, buf, pos) {
            if (val.copy) // Buffer values
              val.copy(buf, pos, 0, val.length);
            else for (var i = 0; i < val.length;) // plain array values
              buf[pos++] = val[i++];
          };
  };
  
  
  /**
   * @override
   */
  BufferWriter.prototype.bytes = function write_bytes_buffer(value) {
      if (util.isString(value))
          value = util._Buffer_from(value, "base64");
      var len = value.length >>> 0;
      this.uint32(len);
      if (len)
          this._push(BufferWriter.writeBytesBuffer, len, value);
      return this;
  };
  
  function writeStringBuffer(val, buf, pos) {
      if (val.length < 40) // plain js is faster for short strings (probably due to redundant assertions)
          util.utf8.write(val, buf, pos);
      else if (buf.utf8Write)
          buf.utf8Write(val, pos);
      else
          buf.write(val, pos);
  }
  
  /**
   * @override
   */
  BufferWriter.prototype.string = function write_string_buffer(value) {
      var len = util.Buffer.byteLength(value);
      this.uint32(len);
      if (len)
          this._push(writeStringBuffer, len, value);
      return this;
  };
  
  
  /**
   * Finishes the write operation.
   * @name BufferWriter#finish
   * @function
   * @returns {Buffer} Finished buffer
   */
  
  BufferWriter._configure();
  
  },{"15":15,"16":16}]},{},[8])
  
  })();
  //# sourceMappingURL=protobuf.js.map
  