import { DisplayObject } from '@antv/g';
import { G2ViewDescriptor } from '../runtime';
/**
 * Given root of chart returns elements to be manipulated
 */
export declare function selectG2Elements(root: DisplayObject): DisplayObject[];
export declare function selectFacetG2Elements(target: any, viewInstances: any): DisplayObject[];
export declare function selectFacetViews(target: any, viewInstances: any): any;
export declare function selectPlotArea(root: DisplayObject): DisplayObject;
export declare function bboxOf(node: any): any;
export declare function mousePosition(target: any, event: any): number[];
/**
 * @todo Pass bbox rather than calc it here.
 */
export declare function brushMousePosition(target: any, event: any): number[];
export declare function boundsOfBrushArea(target: any): any[];
export declare function createColorKey(view: any): (element: any) => any;
export declare function createXKey(view: any): (element: any) => any;
export declare function createDatumof(view: G2ViewDescriptor | G2ViewDescriptor[]): (element: any) => any;
/**
 * A state manager for G2Element.
 * The keys for each state's style start with the state name.
 * { selectedFill, selectedStroke } is for selected state.
 * { unselectedFill, unselectedStroke } is for unselected state.
 */
export declare function useState(style: Record<string, any>, valueof?: (d: any, element: any) => any, setAttribute?: (element: any, key: any, v: any) => any): {
    setState: (element: any, ...states: any[]) => void;
    removeState: (element: any, ...states: any[]) => void;
    hasState: (element: any, state: any) => boolean;
};
export declare function mergeState(options: any, states: any): {};
export declare function createValueof(elements: any, datum: any): (d: any, e: any) => any;
export declare function renderLink({ link, valueof, coordinate, ...style }: {
    [x: string]: any;
    link?: boolean;
    valueof?: (d: any, element: any) => any;
    coordinate: any;
}): (() => void)[] | readonly [(elements: any) => void, (element: any) => void];
export declare function offsetTransform(element: any, offset: any, coordinate: any): any;
export declare function renderBackground({ document, background, scale, coordinate, valueof, ...rest }: {
    [x: string]: any;
    document: any;
    background: any;
    scale: any;
    coordinate: any;
    valueof: any;
}): (() => void)[] | readonly [(element: any) => void, (element: any) => void, (element: any) => boolean];
export declare function setCursor(root: any, cursor: any): void;
export declare function restoreCursor(root: any): void;
export declare function selectElementByData(elements: any, data: any, datum: any): any;