export declare const DOCUMENT_HIGHLIGHT_ATTRIBUTE = "data-office-highlight";
export type WorkDocumentHighlight = 'black' | 'blue' | 'cyan' | 'darkBlue' | 'darkCyan' | 'darkGray' | 'darkGreen' | 'darkMagenta' | 'darkRed' | 'darkYellow' | 'green' | 'lightGray' | 'magenta' | 'none' | 'red' | 'white' | 'yellow';
export declare const DOCUMENT_HIGHLIGHT_VALUES: Set<WorkDocumentHighlight>;
export declare function normalizeDocumentHighlight(source: unknown): WorkDocumentHighlight | null;
export declare function documentHighlightFromDocxValue(source: unknown): WorkDocumentHighlight | null;
export declare function documentHighlightCssColor(source: unknown): string | null;
export declare function documentHighlightForCssColor(source: unknown): WorkDocumentHighlight | null;
export declare function documentHighlightFromElement(element: HTMLElement): WorkDocumentHighlight | null;
export declare function documentHighlightDomAttributes(source: unknown): Record<string, string>;