/**
 * get range lines of markdown file
 */
export declare const getFileRangeLines: (content: string, range: string) => string;
/**
 * get file content by regular expression
 * @param content   source file content
 * @param regexp    regular expression string
 * @param filePath  source file path
 */
export declare const getFileContentByRegExp: (content: string, regexp: string, filePath: string) => string;