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/** * 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;}
export default countHolders;