import * as i0 from "@angular/core";
export declare class Change {
    beforeValue: any;
    afterValue: any;
    coordinates: {
        rowIndex: number;
        columnName: string;
    };
    constructor(pagObj?: Change);
}
export declare class UndoRedoService {
    _changesForUndo: Change[][];
    private _changesForRedo;
    private _changesCopy;
    private stackSize;
    constructor();
    setStackSize(size: number): void;
    setChange(change: Change[]): void;
    setCopyData(change: Change[]): void;
    paste(): Change[];
    undo(): Change[] | undefined;
    redo(): Change[] | undefined;
    static ɵfac: i0.ɵɵFactoryDeclaration<UndoRedoService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<UndoRedoService>;
}