import { type Heartbeat } from "../agents/state/heartbeat-writer.js";
export interface WorkflowChildSessionV3Input {
    coordRoot: string;
    instanceId: string;
    runId: string;
    agentId: string;
    sessionId?: string;
    adapter?: string;
    label?: string;
    model?: string;
}
/** Start a headless workflow child through the same canonical V3 producer as native hooks. */
export declare function startWorkflowChildSessionV3(input: WorkflowChildSessionV3Input): Heartbeat;
/** Record the authoritative terminal before removing the disposable coordination cache. */
export declare function endWorkflowChildSessionV3(input: WorkflowChildSessionV3Input & {
    cleanExit: boolean;
}): void;
export { stableScopeId } from "./scope-id.js";
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