export type GoalStoreConcurrencyKind = "lock_timeout" | "lock_corrupt" | "lock_lost" | "stale_write" | "live_replacement";
export declare class GoalStoreConcurrencyError extends Error {
    readonly kind: GoalStoreConcurrencyKind;
    readonly file?: string | undefined;
    readonly code = "GOAL_STORE_CONCURRENCY";
    constructor(kind: GoalStoreConcurrencyKind, message: string, file?: string | undefined);
}
export interface GoalStoreProcessLease {
    token: string;
    release(): Promise<void>;
}
export interface GoalStoreProcessLockInput {
    lockRoot: string;
    lockFile: string;
    timeoutMs: number;
    assertSafe(target: string): Promise<void>;
}
export declare function acquireGoalStoreProcessLock(input: GoalStoreProcessLockInput): Promise<GoalStoreProcessLease>;
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