/**
 * Codec for {@link mxValueChange}s, {@link mxStyleChange}s, {@link mxGeometryChange}s,
 * {@link mxCollapseChange}s and {@link mxVisibleChange}s. This class is created
 * and registered dynamically at load time and used implicitely
 * via {@link mxCodec} and the {@link mxCodecRegistry}.
 *
 * ### Transient Fields:
 *
 * - model
 * - previous
 *
 * ### Reference Fields:
 *
 * - cell
 *
 * ----
 *
 * Factory function that creates a {@link mxObjectCodec} for
 * the specified change and fieldname.
 *
 * @param obj - An instance of the change object.
 * @param variable - The fieldname for the change data.
 *
 */
declare function mxGenericChangeCodec(obj: any, variable: string): mxObjectCodec;