import type { CheckpointGate, CheckpointToken } from "../checkpoint-store.js";
import type { TaskResult, TaskStatus, TerminalCause } from "../types.js";
/** The plane words a {@link TerminalCause} reads as — one derivation, called by the faces that speak
 *  them. The paused arm's `status` is its gate kind's registry row (`suspended` for an approval,
 *  a resource slice or a platform pause; `needs_review` for a plan or dry-run review, which also
 *  carries the `review.pending` code the review consumers key on). */
export declare function terminalProjection(terminal: TerminalCause): {
    status: TaskStatus;
    errorCode?: string;
    errorMessage?: string;
    blockedReason?: string;
    checkpointToken?: CheckpointToken;
    checkpointId?: string;
    checkpointGate?: CheckpointGate;
    workspaceRestoreMode?: "snapshot" | "park_only";
};
/**
 * A compensation that changes WHY a settled result ended (a resume leg's approval reopened / could not
 * be reopened) amends the CAUSE — the one record there is. The code fills only an empty seat (the leg's
 * own terminal code, when it had one, still names the ending); the message is extended, not replaced.
 */
export declare function amendTerminal(result: TaskResult, code: string, message: (prior: string | undefined) => string): void;