import { IndexInterface, KeyCursorInterface, ObjectStoreInterface } from '../component/interface/components.interface.js';
export declare class KeyCursor<PK extends IDBValidKey, K extends IDBValidKey> implements KeyCursorInterface<PK, K> {
    private readonly ctx;
    protected _cursor: IDBCursor | null;
    protected _cursorPromise: Promise<IDBCursor | null>;
    constructor(ctx: {
        request: IDBRequest<IDBCursor | null>;
        direction: IDBCursorDirection;
        source: ObjectStoreInterface | IndexInterface;
    });
    get request(): IDBRequest<IDBCursor>;
    get key(): K;
    get primaryKey(): PK | undefined;
    get direction(): IDBCursorDirection;
    get source(): ObjectStoreInterface | IndexInterface;
    end(): Promise<boolean>;
    continue(key?: K | PK): void;
    advance(count: number): void;
    continuePrimaryKey(key: K, primaryKey: PK): void;
    private stepUp;
}