Method getRelated

www/data-module/src/data/DataCollection.ts:109–113

(
      callback: (parent: DataType) => DataCollection<ChildDataType>)

  }

  getRelated<ChildDataType extends BaseClass>(
      callback: (parent: DataType) => DataCollection<ChildDataType>) {
    return new DataMultiCollection<DataType, ChildDataType>(this.accessor, this.array, null, null,
      callback);
  }

  getRelatedProperties(callback: (child: DataType) => DataPropertiesCollection) {
    return new DataMultiPropertiesCollection<DataType>(this.accessor, this.array, null, null,