import type { CssDictionary } from './css-dictionary';
export declare function getStyleString(styles: CssDictionary): string;
export declare function colorToHex(color: string | undefined): string | undefined;
export declare function colorToRgb(color: string | string[] | undefined): [number, number, number] | undefined;
export declare function opacityColor(color: string | string[] | null | undefined, opacity: number | null | undefined): string | undefined;
export declare function omitNullish<T extends object>(input: T): T;