- **Exception Handling** (`org.codelibs.core.exception`) - Runtime exception wrappers for common checked exceptions with consistent error handling

### Modern Java 21 Support
- **Pattern Matching** - Leverages modern Java pattern matching for efficient type checking and conversion
- **Switch Expressions** - Optimized implementations using switch expressions for better performance

        }
      }

      static class Gist {
        Map<String, GistFile> files;
      }

      static class GistFile {
        String content;
      }
    ```

### Response Caching ([.kt][CacheResponseKotlin], [.java][CacheResponseJava])

            }
        } finally {
            deleteScrollContext(scrollId);
        }
        return count;
    }

    /**
     * Deletes documents in an index matching a query.
     *
     * @param index        the index name
     * @param queryBuilder the query to match documents for deletion
     * @return the number of documents deleted
     */