declare module 'sketch/dom' {
  namespace dom {
    import MSSymbolMaster = sketchInternal.MSSymbolMaster;

    export interface SymbolMasterProperties {
      /**
       * The name of the SymbolMaster
       */
      name?: string;
      /**
       * The frame of the SymbolMaster. This is given in coordinates that are local to the parent of the layer.
       */
      frame?: Rectangle;
      /**
       * The prototyping action associated with the SymbolMaster.
       */
      flow?: FlowProperty;
    }

    export interface SymbolMasterBackground extends ArtboardBackground {
      /**
       * If the background should appear in the instances of the Symbol Master
       */
      includedInInstance: boolean;
    }

    /**
     * 创建 SymbolMaster
     **/
    export class SymbolMaster extends BaseArtboard<MSSymbolMaster> {
      type: Types.SymbolMaster;
      /**
       * The unique ID of the Symbol that the master and its instances share.
       */
      symbolId: string;
      /**
       * The background of the Symbol Master
       */
      readonly background: SymbolMasterBackground;
      /**
       * The array of the overrides that the instances of the Symbol Master will be able to change.
       */
      overrides: Override[];

      constructor(properties?: SymbolMasterProperties);

      /**
       * Replace the artboard with a symbol master.
       * @param artboard The artboard to create the master from.
       * @return A new SymbolMaster
       */
      static fromArtboard(artboard: Artboard): SymbolMaster;

      /**
       * Replace the symbol master with an artboard and detach all its instances converting them into groups.
       * @return A new Artboard
       */
      toArtboard(): Artboard;

      /**
       * Creates a new SymbolInstance linked to this master, ready for inserting in the document.
       * @return A new SymbolInstance
       */
      createNewInstance(): SymbolInstance;

      /**
       * Returns an array of all instances of the symbol in the document, on all pages.
       */
      getAllInstances(): SymbolInstance[];

      /**
       * @return The Library the symbol was defined in, or null if it is a local symbol.
       */
      getLibrary(): Library | null;

      /**
       * If a Library has some updates, you can synchronize the local Symbol Master with the Library’s version and bypass the panel where the user chooses the updates to bring.
       * @return true if it succeeded.
       */
      syncWithLibrary(): boolean;

      /**
       * You can unlink a Symbol Master from the Library it comes from and make it a local Symbol Master instead. It will be added to the Symbols Page.
       * @return true if it succeeded.
       */
      unlinkFromLibrary(): boolean;
    }
  }
}