export declare function createCssPropertyWrapper(propertyName: string, propertyValue: any): { propertyName: string; propertyValue: any; }; export declare function getEmptyCssPropertyWrappersArray(): Array<{ propertyName: string; propertyValue: any; }>; export declare function findStylesElement(relativeElement?: Element): Element; export declare function createStylesElement(rootElement?: Element, nonce?: string): void; export declare function removeStylesElement(): void; export declare function addToStyles(styles: string, relativeElement: Element): () => void; export declare function createCssClass(cssSelector: string, cssProperties: Array<{ propertyName: string; propertyValue: any; }>, relativeElement?: Element): () => void; export declare function convertCssPropertyWrappersToString(properties: Array<{ propertyName: string; propertyValue: any; }>): string; export declare function convertCssPropertyWrappersToObject(properties: Array<{ propertyName: string; propertyValue: any; }>): object;