Map<String, String> attrToPropMap

Maps attribute names to their corresponding property names for cases where attribute name doesn't match property name.

Source 

Map<String, String> get attrToPropMap {
  return this._attrToPropMap;
}
void attrToPropMap=(Map<String, String> value)

Source 

set attrToPropMap(Map<String, String> value) {
  this._attrToPropMap = value;
}