import { type LinuxProcPidProbeResult } from "./linux-proc";
declare const MEMORY_GUARD_CLAIM_RESOURCES: readonly ["writer", "tty"];
type MemoryGuardClaimResource = (typeof MEMORY_GUARD_CLAIM_RESOURCES)[number];
export interface MemoryGuardClaimOwner {
    sessionId: string;
    generation: string;
    runId: string;
    childToken: string;
    pid: number;
    processStartTime: string;
    ttyDevice: string;
}
export interface MemoryGuardClaimsLease {
    writerEpoch: number;
    ttyEpoch: number;
    owner: MemoryGuardClaimOwner;
    claimStorePath: string;
}
export declare function isMemoryGuardClaimsLease(value: unknown): value is MemoryGuardClaimsLease;
export declare function isMemoryGuardClaimsLeaseForStateDir(value: unknown, stateDir: string): value is MemoryGuardClaimsLease;
export type MemoryGuardClaimsReleasedProof = MemoryGuardClaimsLease;
interface PersistedMemoryGuardClaimRow {
    resource: MemoryGuardClaimResource;
    epoch: number;
    session_id: string;
    generation: string;
    run_id: string;
    child_token: string;
    pid: number;
    process_start_time: string;
    tty_device: string;
    acquired_at: string;
}
export interface MemoryGuardOwnerClaimsDeps {
    probePid(pid: number): Promise<LinuxProcPidProbeResult>;
    now(): string;
}
export declare function memoryGuardClaimsDatabaseFile(stateDir: string, sessionId: string): string;
export declare function acquireMemoryGuardClaims(stateDir: string, owner: MemoryGuardClaimOwner, deps?: MemoryGuardOwnerClaimsDeps): Promise<MemoryGuardClaimsLease>;
export declare function releaseMemoryGuardClaims(stateDir: string, claim: MemoryGuardClaimsLease): Promise<void>;
export declare function probeMemoryGuardClaimsReleased(stateDir: string, owner: MemoryGuardClaimOwner, deps?: MemoryGuardOwnerClaimsDeps): Promise<MemoryGuardClaimsReleasedProof>;
export interface PersistedMemoryGuardClaimsSnapshot {
    epoch: number;
    claims: PersistedMemoryGuardClaimRow[];
}
export declare function readMemoryGuardClaimsForTest(stateDir: string, sessionId: string): Promise<PersistedMemoryGuardClaimsSnapshot>;
export {};