text: /*
   * Copyright The OpenTelemetry Authors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      https://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  import { NoopTracer } from './NoopTracer';
  var NOOP_TRACER = new NoopTracer();
  /**
   * Proxy tracer provided by the proxy tracer provider
   */
  var ProxyTracer = /** @class */ (function () {
      function ProxyTracer(_provider, name, version) {
          this._provider = _provider;
          this.name = name;
          this.version = version;
      }
      ProxyTracer.prototype.startSpan = function (name, options, context) {
          return this._getTracer().startSpan(name, options, context);
      };
      ProxyTracer.prototype.startActiveSpan = function (_name, _options, _context, _fn) {
          var tracer = this._getTracer();
          return Reflect.apply(tracer.startActiveSpan, tracer, arguments);
      };
      /**
       * Try to get a tracer from the proxy tracer provider.
       * If the proxy tracer provider has no delegate, return a noop tracer.
       */
      ProxyTracer.prototype._getTracer = function () {
          if (this._delegate) {
              return this._delegate;
          }
          var tracer = this._provider.getDelegateTracer(this.name, this.version);
          if (!tracer) {
              return NOOP_TRACER;
          }
          this._delegate = tracer;
          return this._delegate;
      };
      return ProxyTracer;
  }());
  export { ProxyTracer };
  //# sourceMappingURL=ProxyTracer.js.map