import { DataModels, IExternalTaskExtensionAdapter } from '@5minds/processcube_engine_sdk';
import { IdentityLike } from '../IdentityAccessor';
import { BaseClient } from './BaseClient';
type ExternalTask<TPayload> = DataModels.ExternalTasks.ExternalTask<TPayload>;
export declare class ExternalTaskApiClient extends BaseClient implements IExternalTaskExtensionAdapter {
    getAllDeployedTopics(identity?: IdentityLike): Promise<Array<string>>;
    fetchAndLockExternalTasks<TPayload>(workerId: string, topicNames: string | Array<string>, maxTasks: number, longPollingTimeout: number, lockDuration: number, payloadFilter?: RegExp, identity?: IdentityLike, abortSignal?: AbortSignal): Promise<Array<ExternalTask<TPayload>>>;
    extendLock(workerId: string, externalTaskId: string, additionalDuration: number, identity?: IdentityLike, abortSignal?: AbortSignal): Promise<void>;
    handleError(workerId: string, externalTaskId: string, error: DataModels.ExternalTasks.ExternalTaskError, identity?: IdentityLike, abortSignal?: AbortSignal): Promise<void>;
    finishExternalTask<TResultType>(workerId: string, externalTaskId: string, result: TResultType, identity?: IdentityLike, abortSignal?: AbortSignal): Promise<void>;
}
export {};