import { MarkdownEditorSelection } from './types';
/** The text inside the code span holding `pos`. */
export declare function codeSpanAt(doc: string, pos: number): MarkdownEditorSelection | null;
/** The word holding or touching `pos`. */
export declare function wordAt(doc: string, pos: number): MarkdownEditorSelection | null;
/** Formats in effect at the selection's head, judged from the Markdown around it. */
export declare function sourceFormats(doc: string, selection: MarkdownEditorSelection): Set<string>;
/** The `:shortcode` being typed at the end of `text`, without its colon. */
export declare function shortcodeBefore(text: string): string | null;