import type { ArkmeChatClientEvent } from '../types.js';
type PreparingHint = Extract<ArkmeChatClientEvent, {
    type: 'message-preparing';
}>;
type MessageArrived = Extract<ArkmeChatClientEvent, {
    type: 'message-arrived';
}>;
export declare class ArkmeMessagePreparingStore {
    private readonly now;
    private accountScope;
    private readonly entries;
    private readonly listeners;
    private revision;
    private timer;
    constructor(now?: () => number);
    activateAccount(scope: string | undefined): void;
    readonly subscribe: (listener: () => void) => (() => void);
    readonly getSnapshot: () => number;
    get(sourceKey: string, accountScope?: string | undefined): readonly PreparingHint[];
    apply(hint: PreparingHint): void;
    messageArrived(event: MessageArrived): void;
    reset(): void;
    private put;
    private notify;
    private schedule;
}
export declare const arkmeMessagePreparing: ArkmeMessagePreparingStore;
export {};
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