import type { WorkflowToolRunControlMessage } from "#execution/tools/workflow/messages.js";
import type { WorkflowToolRunAddress } from "#execution/tools/workflow/types.js";
/** How a run is told to stop: `end` also finishes a `serve` task's run, which a cancel keeps. */
export type WorkflowToolRunStop = Extract<WorkflowToolRunControlMessage, {
    readonly kind: "cancel" | "end";
}>;
/**
 * Asks the run to stop itself, then bounds cooperative cleanup. Failures are
 * logged: the caller has already committed cancellation of the calling turn.
 */
export declare function cancelWorkflowToolRun(run: WorkflowToolRunAddress, stop: WorkflowToolRunStop): Promise<void>;
/** Allows cooperative cleanup, then forcibly stops a still-live run. */
export declare function settleWorkflowToolRunCancellation(runId: string, reason: string, cooperative?: boolean): Promise<void>;