import { IObservable, IObserver, ITransaction } from "./base.js";
/**
 * Starts a transaction in which many observables can be changed at once.
 * {@link fn} should start with a JS Doc using `@description` to give the transaction a debug name.
 * Reaction run on demand or when the transaction ends.
 */
export declare function transaction(fn: (tx: ITransaction) => void, getDebugName?: () => string): void;
export declare function globalTransaction(fn: (tx: ITransaction) => void): void;
/** @deprecated */
export declare function asyncTransaction(fn: (tx: ITransaction) => Promise<void>, getDebugName?: () => string): Promise<void>;
/**
 * Allows to chain transactions.
 */
export declare function subtransaction(tx: ITransaction | undefined, fn: (tx: ITransaction) => void, getDebugName?: () => string): void;
export declare class TransactionImpl implements ITransaction {
    readonly _fn: Function;
    private readonly _getDebugName?;
    private _updatingObservers;
    constructor(_fn: Function, _getDebugName?: (() => string) | undefined);
    getDebugName(): string | undefined;
    updateObserver(observer: IObserver, observable: IObservable<any>): void;
    finish(): void;
    debugGetUpdatingObservers(): {
        observer: IObserver;
        observable: IObservable<any>;
    }[] | null;
}