export declare const DOCUMENT_CHARACTER_POSITION_ATTRIBUTE = "data-office-character-position-half-points";
export declare const DOCUMENT_CHARACTER_POSITION_CSS_PROPERTY = "--work-document-character-position";
export declare const DOCUMENT_CHARACTER_POSITION_MAX_HALF_POINTS = 3168;
export declare const DOCUMENT_CHARACTER_POSITION_MIN_HALF_POINTS: number;
export declare function normalizeDocumentCharacterPositionHalfPoints(value: unknown): number | null;
export declare function documentCharacterPositionDomAttributes(value: unknown): Record<string, string>;
export declare function documentCharacterPositionHalfPointsFromElement(element: HTMLElement): number | null;
export declare function documentCharacterPositionHalfPointsFromCss(value: unknown): number | null;
export declare function documentCharacterPositionPoints(value: unknown): number | null;