export function isolate(...options: {
  judge: (lines: string[]) => boolean;
  leftText: (lines: string[], options: {index: number; project: string; title: string;}) => string;
  newPages: (lines: string[], options: {index: number; project: string; title: string;}) => {
    project: string;
    title: string;
    body: string;
  }[];
}[]): void;