import { type EventSigner, type NostrLink, type SystemInterface } from "..";
import EventEmitter from "eventemitter3";
interface JsonEventSyncEvents {
    change(): void;
}
export declare class JsonEventSync<T> extends EventEmitter<JsonEventSyncEvents> {
    #private;
    readonly link: NostrLink;
    readonly encrypt: boolean;
    constructor(initValue: T, link: NostrLink, encrypt: boolean);
    get json(): T;
    /**
     * Check if there are pending changes (local value differs from synced value)
     */
    get hasPendingChanges(): boolean;
    /**
     * Update the local JSON value without saving to Nostr
     * Call persist() separately to save changes
     */
    setJson(val: T): void;
    sync(signer: EventSigner | undefined, system: SystemInterface): Promise<boolean | undefined>;
    /**
     * Persist the current local JSON state to Nostr
     */
    persist(signer: EventSigner, system: SystemInterface): Promise<void>;
    /**
     * Update the json content and immediately save to Nostr
     * @deprecated Use setJson() + persist() for better control
     */
    updateJson(val: T, signer: EventSigner, system: SystemInterface): Promise<void>;
}
export {};
//# sourceMappingURL=json-in-event-sync.d.ts.map