import { ICssProp } from "../styling/box/_types/ICssProp";
import { IEmotionCss } from "../styling/theming/_types/IEmotionCss";
/**
 * Merges the css styles for a box element
 * @param stylesA Style set A
 * @param stylesB Style set B (which takes precedence)
 * @returns The combined styles
 */
export declare function mergeStyles(stylesA: IEmotionCss | undefined, stylesB: IEmotionCss | undefined): IEmotionCss | undefined;
/**
 * Merges the css styles for a box element
 * @param stylesA Style set A
 * @param stylesB Style set B (which takes precedence)
 * @returns The combined styles
 */
export declare function mergeStyles(stylesA: ICssProp | undefined, stylesB: ICssProp | undefined): ICssProp | undefined;
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