import { EventEmitter } from './EventEmitter';
export interface IDataChange {
    type: 'update' | 'insert' | 'remove';
    key?: any;
    data?: string;
    isSeparatedRequest?: boolean;
    gridKey?: any;
}
export declare enum RequestStatus {
    PENDING = 0,
    SENT = 1,
    SUCCESS = 2,
    ERROR = 3
}
export interface IRequestStatusUpdate {
    dataChange: IDataChange[];
    gridRowKey: any;
    status: RequestStatus;
    error?: string;
    response?: any;
    requestsInQueue?: boolean;
}
export interface IBatchUpdateResult {
    dataChange: IDataChange;
    isSuccess: boolean;
    error: string;
}
export declare class UpdateRequestQueue extends EventEmitter {
    readonly REQUEST_STATUS_UPDATED_EVENT = "REQUEST_STATUS_UPDATED";
    private readonly updateUrl;
    private readonly pendingChanges;
    private isRequestPending;
    constructor(updateUrl: string);
    push(change: IDataChange, separatedRequest?: boolean): void;
    private sendRequest;
    private attachGridKey;
    private areKeysEqual;
}