import { type WorkDocumentEmphasisMark } from './work-document-emphasis';
import { type WorkDocumentTextCase } from './work-document-text-case';
import { type WorkDocumentScriptFontSlot } from './work-document-script-fonts';
export declare const DOCUMENT_WORD_DEFAULT_SINGLE_LINE_HEIGHT = 1.15;
declare module '@tiptap/extension-text-style' {
    interface TextStyleAttributes {
        characterScalePercent?: number | null;
        characterPositionHalfPoints?: number | null;
        characterSpacingTwips?: number | null;
        emphasisMark?: WorkDocumentEmphasisMark | null;
        hiddenText?: boolean | null;
        legacyTextOutline?: boolean | null;
        legacyTextShadow?: boolean | null;
        legacyTextEmboss?: boolean | null;
        legacyTextImprint?: boolean | null;
        runBorder?: string | null;
        runShading?: string | null;
        proofingLanguages?: string | null;
        noProof?: boolean | null;
        openTypeFeatures?: string | null;
        kerningThresholdHalfPoints?: number | null;
        scriptFonts?: string | null;
        scriptFontSlot?: WorkDocumentScriptFontSlot | null;
        wordLineHeightFactor?: number | null;
        wordSnapToGrid?: boolean | null;
        themeColor?: string | null;
        textCase?: WorkDocumentTextCase | null;
    }
}
export declare function documentWordLineHeightFactor(fontFamily: unknown): number;
export declare function normalizedDocumentWordLineHeightFactor(value: unknown): number | null;
export declare const DocumentTextStyle: import("@tiptap/core").Mark<import("@tiptap/extension-text-style").TextStyleOptions, any>;
export declare const DocumentHighlight: import("@tiptap/core").Mark<import("@tiptap/extension-highlight").HighlightOptions, any>;
export declare const DocumentFontFamily: import("@tiptap/core").Extension<import("@tiptap/extension-text-style/font-family").FontFamilyOptions, any>;