import type { TlsOptions } from '../types.js';
import type { WorkerServiceClient } from '../generated/proto-loader/memoflow/v1/WorkerService.js';
import type { WorkerSessionClient } from '../generated/proto-loader/memoflow/v1/WorkerSession.js';
import type { WorkflowServiceClient } from '../generated/proto-loader/memoflow/v1/WorkflowService.js';
import type { ControlResourceServiceClient } from '../generated/proto-loader/memoflow/v1/ControlResourceService.js';
/**
 * Connection options shared by both client constructors (P4.2).
 */
export interface ConnectionOptions {
    /**
     * API key — attached as `authorization: Bearer <apiKey>` gRPC metadata on
     * every call via a client-side interceptor (works on both plaintext and
     * TLS channels, unlike composed call-credentials, which grpc-js refuses
     * to combine with insecure channel credentials). Against a server with
     * auth disabled, the extra metadata is simply ignored.
     */
    apiKey?: string;
    /** mTLS options. Omit for plaintext gRPC (the default). */
    tls?: TlsOptions;
    /** Bounded default deadline inherited by unary calls on this client. */
    defaultRpcTimeoutMs?: number;
}
/**
 * Create a WorkflowService gRPC client (for application code: start, signal, query, cancel).
 */
export declare function createWorkflowServiceClient(address: string, options?: ConnectionOptions): WorkflowServiceClient;
/** Create the administrative control-resource client. */
export declare function createControlResourceServiceClient(address: string, options?: ConnectionOptions): ControlResourceServiceClient;
/**
 * Create a WorkerService gRPC client. Post-P9.2 this service carries only
 * the non-session RPCs a worker still needs out-of-band: `GetCheckpoints`
 * (lazy hydration) and `GetSqlContract` (available standalone; the session
 * hello_ack carries the same payload).
 */
export declare function createWorkerServiceClient(address: string, options?: ConnectionOptions): WorkerServiceClient;
/**
 * Create a WorkerSession gRPC client (ADR-0002, P9.2): one bidirectional
 * `Session` stream replaces the two poll streams plus the unary
 * complete/heartbeat/stream-chunk RPCs.
 */
export declare function createWorkerSessionClient(address: string, options?: ConnectionOptions): WorkerSessionClient;