import * as React from 'react';
export declare const useGalleryItem: (inProps?: unknown) => import("@primereact/types/core").HeadlessInstance<import("@primereact/types/headless/gallery").UseGalleryItemProps, unknown, {
    state: {
        index: number;
        position: {
            x: number;
            y: number;
        };
        scale: number;
        rotation: number;
        flip: {
            x: number;
            y: number;
        };
        isActive: boolean;
    };
    attributes: {
        'data-rotating'?: "" | undefined;
        'data-active'?: "" | undefined;
    };
    CSSVariables: React.CSSProperties;
    itemProps: {
        'data-rotating'?: "" | undefined;
        'data-active'?: "" | undefined;
        ref: React.RefObject<HTMLDivElement>;
        'data-scope': "gallery";
        'data-part': "item";
        'data-index': number;
        onClick: (e: React.MouseEvent) => void;
        onPointerDown: (e: React.PointerEvent) => void;
        onPointerMove: (e: React.PointerEvent) => void;
        onPointerUp: (e: React.PointerEvent) => void;
        onDragStart: (e: React.DragEvent<HTMLDivElement>) => void;
        style: React.CSSProperties;
    };
    handlePointerUp: (e: React.PointerEvent) => void;
    handlePointerMove: (e: React.PointerEvent) => void;
    handlePointerDown: (e: React.PointerEvent) => void;
    handleClick: (e: React.MouseEvent) => void;
    handleDragStart: (e: React.DragEvent<HTMLDivElement>) => void;
    zoomIn: () => void;
    zoomOut: () => void;
    rotateLeft: () => void;
    rotateRight: () => void;
    flipX: () => void;
    flipY: () => void;
    download: () => void;
    calculateConstraints: (targetScale?: number) => {
        minX: number;
        maxX: number;
        minY: number;
        maxY: number;
    };
    calculateItemSize: () => void;
}>;