lib/Models/WebMapServiceCatalogItem.js
function objectToLowercase(obj) {
  var result = {};
  for (var key in obj) {
    if (obj.hasOwnProperty(key)) {
      result[key.toLowerCase()] = obj[key];
    }
  }
  return result;
}
function objectToLowercase(obj) {
  var result = {};
  for (var key in obj) {
    if (obj.hasOwnProperty(key)) {
      result[key.toLowerCase()] = obj[key];
    }
  }
  return result;
}
function objectToLowercase ( obj ) { var result = { } ; for ( var key in obj ) { if ( obj . hasOwnProperty ( key ) ) { result [ key . toLowerCase ( ) ] = obj [ key ] ; } } return result ; }
This is copied directly from Cesium's WebMapServiceImageryProvider.
This is copied directly from Cesium s WebMapServiceImageryProvider .