import { LayoutRectangle } from "react-native";
export type ContentFit = "cover" | "contain" | "fill" | "none" | "scale-down";
/**
 * Represents the scale of an image.
 */
export type ImageScale = {
    x: number;
    y: number;
    offsetX?: number;
    offsetY?: number;
};
type ImageSize = {
    width?: number | null;
    height?: number | null;
};
/**
 * Calculates the image scale based on the provided parameters.
 *
 * @param contentFit - The content fit mode specifying how the image should fit within the container.
 * @param container - The container object containing the width and height
 *   of the container.
 * @param image - The image object containing the width
 *   and height of the image.
 * @returns - The calculated image scale.
 */
export declare function useImageScale(contentFit: ContentFit, container: Pick<LayoutRectangle, "width" | "height">, image?: ImageSize): ImageScale;
export {};