code: public void toFileWithoutExtension(Path outputFile) {
          Validate.notNull(outputFile, "outputFile must not be null");
  
          applyOverviewDocument().writeToFileWithoutExtension(outputFile, StandardCharsets.UTF_8);
          applyPathsDocument().writeToFileWithoutExtension(outputFile, StandardCharsets.UTF_8, StandardOpenOption.APPEND);
          applyDefinitionsDocument().writeToFileWithoutExtension(outputFile, StandardCharsets.UTF_8, StandardOpenOption.APPEND);
          applySecurityDocument().writeToFileWithoutExtension(outputFile, StandardCharsets.UTF_8, StandardOpenOption.APPEND);
      }
docs: Converts the Swagger specification the given {@code outputFile}.
  
  @param outputFile the output file