import type * as React from 'react';
import { type ComponentSize } from '../../types/size';
import { type DragHandlePosition } from '../DragHandle/DragHandle';
export interface UseSplitterOptions {
    /**
     * The initial size of the primary pane between 0-1, defaults to 0.5
     * If `usePixels` is true, this is the initial size in pixels of the second pane.
     */
    initialSize?: number;
    direction: 'row' | 'column';
    dragPosition?: DragHandlePosition;
    usePixels?: boolean;
    /**
     * Called when ever the size of the primary pane changes
     * @param flexSize (float from 0-1)
     */
    onSizeChanged?: (flexSize: number, firstPanePixels: number, secondPanePixels: number) => void;
    onResizing?: (flexSize: number, firstPanePixels: number, secondPanePixels: number) => void;
    handleSize?: ComponentSize;
}
/**
 * The splitter creates two resizable panes, either horizontally or vertically.
 *
 * https://developers.grafana.com/ui/latest/index.html?path=/docs/utilities-usesplitter--docs
 */
export declare function useSplitter(options: UseSplitterOptions): {
    containerProps: {
        ref: React.MutableRefObject<HTMLDivElement | null>;
        className: string;
    };
    primaryProps: {
        ref: React.MutableRefObject<HTMLDivElement | null>;
        className: string;
        style: React.CSSProperties;
        id: string;
    };
    secondaryProps: {
        ref: React.MutableRefObject<HTMLDivElement | null>;
        className: string;
        style: React.CSSProperties;
    };
    splitterProps: {
        onPointerUp: (e: React.PointerEvent<HTMLDivElement>) => void;
        onPointerDown: (e: React.PointerEvent<HTMLDivElement>) => void;
        onPointerMove: (e: React.PointerEvent<HTMLDivElement>) => void;
        onKeyDown: (e: React.KeyboardEvent<HTMLDivElement>) => void;
        onKeyUp: (e: React.KeyboardEvent<HTMLDivElement>) => void;
        onDoubleClick: () => void;
        onBlur: () => void;
        ref: React.MutableRefObject<HTMLDivElement | null>;
        style: {
            [x: string]: string;
        };
        role: string;
        'aria-valuemin': number;
        'aria-valuemax': number;
        'aria-valuenow': number;
        'aria-controls': string;
        'aria-label': string;
        tabIndex: number;
        className: string;
    };
};