/**
 * FontSizeExtension — inline mark that applies a font-size via TextStyle.
 *
 * Uses the `style` attribute on `<span>` tags, compatible with TextStyle.
 * Commands: `setFontSize(size)`, `unsetFontSize()`.
 */
import { Extension } from '@tiptap/core';
export interface FontSizeOptions {
    types: string[];
}
declare module '@tiptap/core' {
    interface Commands<ReturnType> {
        fontSize: {
            /** Set the font size (e.g. '16px'). */
            setFontSize: (size: string) => ReturnType;
            /** Remove font size, reverting to default. */
            unsetFontSize: () => ReturnType;
        };
    }
}
export declare const FontSizeExtension: Extension<FontSizeOptions, any>;
//# sourceMappingURL=font-size.d.ts.map