export interface EyeDropperOpenOptions {
    /**
     * An AbortSignal to cancel the operation.
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal
     */
    signal?: AbortSignal;
}
interface EyeDropperConstructor {
    new (): EyeDropper;
}
export interface EyeDropper extends EyeDropperConstructor {
    open: (options?: EyeDropperOpenOptions) => Promise<{
        sRGBHex: string;
    }>;
    [Symbol.toStringTag]: 'EyeDropper';
}
export interface UseEyeDropperOptions {
    /**
     * Initial sRGBHex.
     *
     * @defaultValue ''
     */
    initialValue?: string;
    /**
     * Whether to convert the sRGBHex to uppercase.
     *
     * @defaultValue true
     */
    upperCase?: boolean;
    /**
     * Whether to keep the leading hash in the sRGBHex.
     *
     * @defaultValue true
     */
    keepLeadingHash?: boolean;
}
export interface UseEyeDropperReturns {
    /**
     * Whether the EyeDropper is supported.
     */
    isSupported: boolean;
    /**
     * The sRGBHex color value.
     */
    sRGBHex: string;
    /**
     * Open the EyeDropper.
     *
     * @param options - The open options.
     */
    open: (options?: EyeDropperOpenOptions) => Promise<string | null>;
}
/**
 * A React Hook that allows you to use the eye dropper tool to get the color of a pixel on the screen.
 */
export declare function useEyeDropper(options?: UseEyeDropperOptions): UseEyeDropperReturns;
export {};