function SourceMapGenerator(aArgs) {
  if (!aArgs) {
    aArgs = {};
  }
  this._file = util.getArg(aArgs, 'file', null);
  this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
  this._skipValidation = util.getArg(aArgs, 'skipValidation', false);
  this._sources = new ArraySet$1();
  this._names = new ArraySet$1();
  this._mappings = new MappingList$1();
  this._sourcesContents = null;
}
/**
 * An instance of the SourceMapGenerator represents a source map which is
 * being built incrementally. You may pass an object with the following
 * properties:
 *
 *   - file: The filename of the generated source.
 *   - sourceRoot: A root for all relative URLs in this source map.
 */
An instance of the SourceMapGenerator represents a source map which is
being built incrementally. You may pass an object with the following
properties.

- file: The filename of the generated source.
- sourceRoot: A root for all relative URLs in this source map.
An instance of the SourceMapGenerator represents a source map which is being built incrementally . You may pass an object with the following properties . - file : The filename of the generated source . - sourceRoot : A root for all relative URLs in this source map .
function SourceMapGenerator(aArgs) {
  if (!aArgs) {
    aArgs = {};
  }
  this._file = util.getArg(aArgs, 'file', null);
  this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
  this._skipValidation = util.getArg(aArgs, 'skipValidation', false);
  this._sources = new ArraySet$1();
  this._names = new ArraySet$1();
  this._mappings = new MappingList$1();
  this._sourcesContents = null;
}
function SourceMapGenerator ( aArgs ) { if ( ! aArgs ) { aArgs = { } ; } this . _file = util . getArg ( aArgs , 'file' , null ) ; this . _sourceRoot = util . getArg ( aArgs , 'sourceRoot' , null ) ; this . _skipValidation = util . getArg ( aArgs , 'skipValidation' , false ) ; this . _sources = new ArraySet$1 ( ) ; this . _names = new ArraySet$1 ( ) ; this . _mappings = new MappingList$1 ( ) ; this . _sourcesContents = null ; }
An instance of the SourceMapGenerator represents a source map which is
 being built incrementally.
An instance of the SourceMapGenerator represents a source map which is being built incrementally .