import type { ProfileMeta } from "./types.js";
export type LockToken = string;
export interface ProfileStore {
    /** Read encrypted profile blob bytes. Returns null if not found. */
    getRaw(id: string): Promise<Buffer | null>;
    /** Write encrypted profile blob bytes. Atomic — readers see old or new, never partial. */
    putRaw(id: string, blob: Buffer): Promise<void>;
    /** Delete a profile. No-op if not found. */
    delete(id: string): Promise<void>;
    /** List profile metadata. Does not read blob contents. */
    list(): Promise<ProfileMeta[]>;
    /** Acquire exclusive lock on a profile id. Returns null if held by another process. */
    lock(id: string, ttlMs: number): Promise<LockToken | null>;
    /** Release a lock previously acquired with lock(). Idempotent. */
    unlock(id: string, token: LockToken): Promise<void>;
}
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