code: public void generateAPIFiles(List<ApiImplementor> implementors) throws IOException {
          for (ApiImplementor implementor : implementors) {
              this.generateAPIFiles(implementor);
          }
      }
docs: Generates the API client files of the given API implementors.
  
  @param implementors the API implementors, must not be {@code null}
  @throws IOException if an error occurred while writing the API files