export interface CSSProperties {
    [property: string]: string | number | undefined;
}
export declare function applyStyles(element: HTMLElement, styles: CSSProperties): void;
export declare function createStyleSheet(styles: Record<string, CSSProperties>): CSSStyleSheet;
export declare function isPropertySupported(property: string, value: string): boolean;
export declare function isSelectorSupported(selector: string): boolean;
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