import type { TaskAttachmentStore, TaskAttachmentRecord } from "./task-attachment-store.js";
export declare class LocalTaskAttachmentStore implements TaskAttachmentStore {
    private readonly dir;
    private metas;
    private hydration;
    constructor(rootDir: string);
    private hydrate;
    put(rec: TaskAttachmentRecord & {
        content: Uint8Array;
    }): Promise<void>;
    get(owner: string, id: string): Promise<TaskAttachmentRecord | null>;
    getContent(owner: string, id: string): Promise<Uint8Array | null>;
    private persistMeta;
    bind(owner: string, ids: string[], sessionId: string, boundAtMs: number): Promise<number>;
    listBySession(sessionId: string): Promise<TaskAttachmentRecord[]>;
    private removeRow;
    delete(owner: string, id: string): Promise<boolean>;
    deleteBySession(sessionId: string): Promise<number>;
    reapUnbound(olderThanMs: number): Promise<number>;
}
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