import type { editor } from 'monaco-editor';
/**
 * Type describing monaco editor.
 */
type MonacoEditor = typeof import('monaco-editor');
/**
 * Props for use book editor monaco decorations.
 */
type UseBookEditorMonacoDecorationsProps = {
    readonly editor: editor.IStandaloneCodeEditor | null;
    readonly monaco: MonacoEditor | null;
};
/**
 * Adds visual decorations for separators and code blocks inside `BookEditorMonaco`.
 *
 * @private function of BookEditorMonaco
 */
export declare function useBookEditorMonacoDecorations({ editor, monaco }: UseBookEditorMonacoDecorationsProps): void;
export {};
