/// <reference types="jquery" />
/// <reference types="jquery" />
import { DataDashboardItem } from '../model/items/data-dashboard-item';
import { IDataFieldsProvider } from './_data-source-browser';
import { SequenceAction, WorkingModeSwitchingOptions } from './common-interfaces';
export declare function getDimensionsExpressions(dashboardItem: DataDashboardItem, dataFieldProvider: IDataFieldsProvider): JQueryPromise<{
    [dimensionName: string]: string;
}>;
export declare class CancellationToken {
    static get None(): CancellationToken;
    private _source;
    get canceled(): boolean;
    constructor(source: JQuery.Deferred<any>);
}
export interface CancelableSequenceAction extends SequenceAction {
    cancelableAction: (options: WorkingModeSwitchingOptions, cancellationToken: CancellationToken) => JQueryPromise<WorkingModeSwitchingOptions>;
}
export declare function toCancelableSequenceAction(action: SequenceAction): CancelableSequenceAction;
export declare function combineOptions(previousOptions: WorkingModeSwitchingOptions, options: WorkingModeSwitchingOptions[]): WorkingModeSwitchingOptions;
export declare const requestParamsValidator: {
    isValid(requestParams: any): boolean;
};
export type FocusableItem = {
    element: HTMLElement;
    strategy?: IFocusRestoreStrategy;
    fallBackItemElement?: HTMLElement;
};
export declare class FocusManager {
    private stack;
    save(item: FocusableItem): void;
    handleMaximizedItem(itemName: string, strategy: IFocusRestoreStrategy): void;
    focusMaximizedItem(): void;
    restore(): void;
    peek(): FocusableItem | null;
    clear(): void;
}
export interface IFocusRestoreStrategy {
    RestoreFocus(item: FocusableItem): void;
}
export declare class ElementFocusStrategy implements IFocusRestoreStrategy {
    RestoreFocus(item: FocusableItem): void;
    private deferFocus;
}
export declare const focusManager: FocusManager;