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define([], function() {
  /**   * Gets the number of `placeholder` occurrences in `array`.   *   * @private   * @param {Array} array The array to inspect.   * @param {*} placeholder The placeholder to search for.   * @returns {number} Returns the placeholder count.   */  function countHolders(array, placeholder) {    var length = array.length,        result = 0;
    while (length--) {      if (array[length] === placeholder) {        ++result;      }    }    return result;  }
  return countHolders;});