throw new UnsupportedOperationException("already specified useForNull");
      }
    };
  }

  /**
   * Returns a joiner with the same behavior as this joiner, except automatically skipping over any
   * provided null elements.
   */
  public Joiner skipNulls() {
    return new Joiner(this) {
      @Override
      @SuppressWarnings("JoinIterableIterator") // suggests infinite recursion

        this.enableHighPerformanceMode = enable;
        log.info("High performance masking mode {}", enable ? "enabled" : "disabled");
    }

    /**
     * Enable or disable skipping masking for debug level logs
     *
     * When enabled, DEBUG level logs will skip sensitive data masking entirely
     * to improve performance in development and debugging scenarios.
     *

 *       once. This reduces the expense of habitually making defensive copies at API boundaries.
 *       However, the precise conditions for skipping the copy operation are undefined.
 *   <li><b>Warning:</b> a view collection such as {@link ImmutableMap#keySet} or {@link
 *       ImmutableList#subList} may retain a reference to the entire data set, preventing it from

      } catch (NoClassDefFoundError e) {
        // In case there were linking problems, this is probably not a class we care to test anyway.
        logger.log(Level.SEVERE, "Cannot load class " + classInfo + ", skipping...", e);
        continue;
      }
      if (!cls.isInterface()) {
        classes.add(cls);
      }
    }
    return classes;
  }

        )

    block_language = block_a["lang"].lower()
    if block_language in {"mermaid"}:
        if block_a != block_b:
            print(
                f"Skipping mermaid code block replacement (lines {start_line}-{end_line_no}). "
                "This should be checked manually."
            )
        return block_a["content"].copy()  # We don't handle mermaid code blocks for now

                    if (response == null) {
                        if (log.isDebugEnabled()) {
                            log.debug("Unexpected message id, skipping message " + key);
                        }
                        doSkip(key);
                    } else {
                        doRecv(response);
                        response.received();

        throw new UnsupportedOperationException("already specified useForNull");
      }
    };
  }

  /**
   * Returns a joiner with the same behavior as this joiner, except automatically skipping over any
   * provided null elements.
   */
  public Joiner skipNulls() {
    return new Joiner(this) {
      @Override
      @SuppressWarnings("JoinIterableIterator") // suggests infinite recursion

 *       once. This reduces the expense of habitually making defensive copies at API boundaries.
 *       However, the precise conditions for skipping the copy operation are undefined.
 *   <li><b>Warning:</b> a view collection such as {@link ImmutableMap#keySet} or {@link
 *       ImmutableList#subList} may retain a reference to the entire data set, preventing it from

   * {@inheritDoc}
   *
   * <p>The returned set has an iterator that does not support {@code remove()}.
   *
   * <p>The set's iterator traverses the columns of the first row, the columns of the second row,
   * etc., skipping any columns that have appeared previously.
   */
  @Override
  public Set<C> columnKeySet() {
    Set<C> result = columnKeySet;
    return (result == null) ? columnKeySet = new ColumnKeySet() : result;
  }

    target_versions = ["py39", "py310"]
    full_path_str = str(file_path)
    for target_version in target_versions:
        if f"_{target_version}" in full_path_str:
            logging.info(
                f"Skipping {file_path}, already a version file for {target_version}"
            )
            return
    base_content = file_path.read_text(encoding="utf-8")
    previous_content = {base_content}