import type { Delegation, DelegationResult, DelegationStatus } from "./types.js";
export interface DelegationLifecycleStateMachine {
    get(delegationId: string): Delegation | undefined;
    getAll?: () => Delegation[];
    registerDelegation?: (delegation: Delegation, scheduleSafetyCeiling: boolean) => void;
    transition(delegationId: string, toStatus: DelegationStatus): boolean;
    transitionToTerminal?: (delegationId: string, toStatus: DelegationStatus, error?: string) => void;
}
/** Thin lifecycle adapter over DelegationStateMachine transitions. */
export declare class DelegationLifecycle {
    private readonly stateMachine;
    constructor(stateMachine: DelegationLifecycleStateMachine);
    /**
     * Register a newly prepared delegation before status transitions begin.
     *
     * @param delegation - Prepared delegation record created by the coordinator.
     * @param scheduleSafetyCeiling - When true, arm the 30-minute safety ceiling timer.
     */
    register(delegation: Delegation, scheduleSafetyCeiling?: boolean): void;
    /**
     * Read a delegation record by ID from the lifecycle state owner.
     *
     * @param delegationId - Delegation identifier to look up.
     * @returns The matching delegation record, or undefined when unknown.
     */
    getStatus(delegationId: string): Delegation | undefined;
    /**
     * List all known delegation records for manager/status-tool consumers.
     *
     * @returns Snapshot of records currently owned by the lifecycle state owner.
     */
    list(): Delegation[];
    /**
     * Return the child session associated with a delegation, when known.
     *
     * @param delegationId - Delegation identifier to inspect.
     * @returns The child session ID, or undefined when the delegation is unknown.
     */
    getChildSessionId(delegationId: string): string | undefined;
    /** Transition a delegation and return its projected result. */
    transition(delegationId: string, toStatus: DelegationStatus): DelegationResult;
    /** Returns true for terminal delegation states. */
    isTerminal(status: DelegationStatus): boolean;
    /** Mark a delegation timed out. */
    markTimeout(delegationId: string): DelegationResult;
    /** Mark a delegation aborted by the caller. */
    markAborted(delegationId: string): DelegationResult;
    /** Mark a delegation cancelled by the caller. */
    markCancelled(delegationId: string): DelegationResult;
    private transitionTerminal;
    private resultFor;
}
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