private/utils/dev-fixtures/fixtures.js
function (overlayName, modelName) {
    var key = (overlayName || BASE_OVERLAY) + '#' + modelName;
    if (!this.instances[key]) {
      this.instances[key] = DevFixturesFixtures.create({
        modelName:   modelName,
        overlayName: overlayName
      });
    }
    return this.instances[key];
  }
function (overlayName, modelName) {
    var key = (overlayName || BASE_OVERLAY) + '#' + modelName;
    if (!this.instances[key]) {
      this.instances[key] = DevFixturesFixtures.create({
        modelName:   modelName,
        overlayName: overlayName
      });
    }
    return this.instances[key];
  }
function ( overlayName , modelName ) { var key = ( overlayName || BASE_OVERLAY ) + '#' + modelName ; if ( ! this . instances [ key ] ) { this . instances [ key ] = DevFixturesFixtures . create ( { modelName : modelName , overlayName : overlayName } ) ; } return this . instances [ key ] ; }
Get the instance for given overlay name and model name

@method for
@param {string} overlayName
@param {string} modelName
@return {DevFixturesFixtures}
Get the instance for given overlay name and model name