import { CppMutationToken } from './binding.js';
/**
 * Represents the mutation token returned by the server.
 *
 * @see MutationState
 */
export interface MutationToken {
    /**
     * Generates a string representation of this mutation token.
     */
    toString(): string;
    /**
     * Generates a JSON representation of this mutation token.
     */
    toJSON(): any;
}
/**
 * Aggregates a number of {@link MutationToken}'s which have been returned by mutation
 * operations, which can then be used when performing queries.
 * This guarantees that the query includes the specified set of mutations without incurring the wait
 * associated with request_plus level consistency.
 */
export declare class MutationState {
    /**
     * @internal
     */
    readonly data: {
        [bucketName: string]: {
            [vbId: number]: CppMutationToken;
        };
    };
    private tokenCount;
    get length(): number;
    constructor(...tokens: MutationToken[]);
    /**
     * Adds a set of tokens to this state.
     *
     * @param tokens The tokens to add.
     */
    add(...tokens: MutationToken[]): void;
    private _addOne;
    /**
     * @internal
     */
    toJSON(): {
        [bucketName: string]: {
            [vbId: number]: CppMutationToken;
        };
    };
    getTokens(): CppMutationToken[];
    toString(): string;
}