import { MountedPiece } from "./MountedPiece.js";
import type { AcceptableTarget, CorePiece, MountPiece } from "./types.js";
/**
 * Constructor type for MountedPiece classes.
 *
 * This exists merely to allow unit testing.
 */
export interface MountedPieceConstructor {
    new (piece: CorePiece<any, any>, mountPiece: MountPiece<any, any>, parent?: MountedPiece<any, any>): MountedPiece<any, any>;
}
export declare function mountPieceCore<TProps extends Record<string, any> = Record<string, any>, TMeta extends Record<string, any> = {}>(this: MountedPiece<any, any> | undefined, piece: CorePiece<TProps, TMeta> | Promise<CorePiece<TProps, TMeta>>, target: AcceptableTarget, props?: TProps, MountedPieceClass?: MountedPieceConstructor): Promise<MountedPiece<TProps, TMeta>>;
/**
 * Mounts the CollageJS piece as a child of the target element.
 * @param piece The CollageJS piece to mount.
 * @param target The target HTML element or shadow root where to mount the piece.
 * @param props The properties to pass to the piece.
 */
export declare function mountPiece<TProps extends Record<string, any> = Record<string, any>, TMeta extends Record<string, any> = {}>(piece: CorePiece<TProps, TMeta> | Promise<CorePiece<TProps, TMeta>>, target: AcceptableTarget, props?: TProps): Promise<MountedPiece<TProps, TMeta>>;