export declare const KEEPIT_SCHEME = "keepit";
export type KeepItBinaryFlag = 0 | 1 | '0' | '1';
export type KeepItXCallbackPayload = {
    /**
     * The x-callback-url source app name.
     */
    xSource?: string;
    /**
     * The x-success callback URL.
     */
    xSuccess?: string;
    /**
     * The x-error callback URL.
     */
    xError?: string;
    /**
     * The x-cancel callback URL.
     */
    xCancel?: string;
};
export declare function keepItLink(params: Record<string, unknown>): string;
export declare function keepItXCallbackUrl(action: 'add' | 'append', params?: Record<string, unknown>): string;
export declare function xCallbackParams(payload: KeepItXCallbackPayload): {
    'x-cancel'?: string | undefined;
    'x-error'?: string | undefined;
    'x-success'?: string | undefined;
    'x-source'?: string | undefined;
};