method FileUtils.readFileOrNotExistsimport { FileUtils } from "https://dotland.deno.dev/x/ts_morph@19.0.0/common/mod.ts"; readFileOrNotExists(fileSystem: FileSystemHost,filePath: StandardizedFilePath,encoding: string,): Promise<string | false>Reads a file or returns false if the file doesn't exist. Reads a file or returns false if the file doesn't exist. ParametersfileSystem: FileSystemHost File System. filePath: StandardizedFilePath Path to file. encoding: string File encoding. ReturnsPromise<string | false>