export function safeColor(input: any, allowEmpty?: boolean): Color | null;
export function getHexOrEmpty(_color: any): any;
export function getRgbOrEmpty(_color: any): {};
export function getHsbOrEmpty(_color: any): any;
export function isTransparent(_color: any): boolean;
export function stopPropagation(event: any): void;
import Color from 'color';
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