text: // @filename: 0.tsx
  ///<reference path="declaration.d.ts" />
  import * as cx from 'classnames';
  import * as React from "react";
  function _extends() {
      _extends = Object.assign || function(target) {
          for(var i = 1; i < arguments.length; i++){
              var source = arguments[i];
              for(var key in source){
                  if (Object.prototype.hasOwnProperty.call(source, key)) {
                      target[key] = source[key];
                  }
              }
          }
          return target;
      };
      return _extends.apply(this, arguments);
  }
  var buttonProps; // any
  var k = /*#__PURE__*/ React.createElement("button", _extends({
  }, buttonProps), /*#__PURE__*/ React.createElement("span", {
      className: cx('class1', {
          class2: true
      })
  }));
  