export declare function toCssColor(value: any): any;
export declare function invertColor(color: any, returnBlackOrWhite: any): string;
export declare function toCssGradientColor(value: any, forceGradient?: boolean): any;
export declare function toGradientColor(value: any): any;
export declare function toCssBoxShadow(value: any, textShadow?: boolean): any;
/**
 * Returns a class name based on the visibility of the element
 * @param {string | number | boolean} hidden - The value of the hidden attribute on the element.
 * @param {boolean} isVisible - Whether the element is visible or not.
 * @param {boolean} hasBeenVisible - If the element has been visible before, we don't want to animate
 * it in again.
 * @param {string} [animationOut] - The name of the animation to use when the element is hidden.
 * @returns The visibility class.
 */
export declare function getVisibilityClass(hidden: string | number | boolean, isVisible: boolean, hasBeenVisible: boolean, animationOut?: string): (string | undefined)[];
/**
 * Given a breakpoint and a state, return the name of the state for that breakpoint
 * @param {string} breakpoint - the breakpoint you want to change the state for
 * @param {string} [state] - The state of the component.
 * @returns The name of the state that is being passed in.
 */
export declare function responsiveStateToPropName(breakpoint: string, state?: string): string;