import { ActionApi, ActionApiCredentials, UploadedMetaFile, UploadFile } from './ActionApiProvider';
import { ActionRequest } from './utils';
export declare class GatewayActionApi implements ActionApi {
    private actionsApi;
    constructor(...actionsApi: ActionApi[]);
    init(credentials: ActionApiCredentials): void;
    reset(): void;
    isAvailable(): Promise<boolean>;
    resolvePending(request: ActionRequest): Promise<ActionRequest | null>;
    send(request: ActionRequest): Promise<void>;
    upload(file: UploadFile): Promise<UploadedMetaFile>;
    synchronize(onEnd?: () => void): Promise<void>;
}