import { HarnessDriverClient } from '@agent-relay/harness-driver';
import type { BrokerConnection } from './broker-connection.js';
export type { InboundDeliveryMode, PendingRelayMessage, PtyInputStream as CliPtyInputStream, PtyInputStreamOptions, PtyInputWriteResult, PtySnapshot, SetInboundDeliveryModeResult, SnapshotFormat, } from '@agent-relay/harness-driver';
/**
 * Build the broker client for the interactive attach clients. This is the
 * single place the CLI turns a {@link BrokerConnection} into a
 * {@link HarnessDriverClient}, so every `runtime`/attach command reaches the broker
 * through `@agent-relay/harness-driver` — including the real WebSocket PTY input
 * stream exposed by `HarnessDriverClient.openInputStream`.
 */
export declare function createBrokerClient(connection: BrokerConnection, fetchFn?: typeof globalThis.fetch): HarnessDriverClient;
export interface BrokerSdkFailure {
    status: number;
    message: string;
}
export declare function mapBrokerSdkFailure(error: unknown): BrokerSdkFailure;
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