import { BlockNoteEditor, Styles, StyleSchema } from "@blocknote/core";
/**
 * Returns the currently active text styles (e.g., bold, italic) at the editor's
 * current cursor position or selection. Re-renders automatically when the active
 * styles change.
 *
 * @param editor - The BlockNote editor instance. If omitted, uses the editor
 * from the nearest `BlockNoteContext`.
 * @returns The set of active styles at the current cursor position or selection.
 */
export declare function useActiveStyles<T extends StyleSchema>(editor?: BlockNoteEditor<any, any, T>): Styles<T>;