investigating-hms-internals

Investigates HEC-HMS internals through decompiled Java classes. Provides JythonHms API reference, CLI options, version-specific differences (3.x vs 4.x), and guides on-demand decompilation for new discoveries. Use when debugging HMS behavior, discovering undocumented features, understanding version differences, validating automation approaches, or investigating HMS API capabilities. Includes complete JythonHms method reference, Python 2 vs 3 syntax differences, and decompilation tooling. Complements hms_doc_query (official docs) with internal implementation details. Trigger keywords: decompile, HMS internals, JythonHms API, HMS version differences, CLI options, undocumented, HMS jar, HMS classes, debugging HMS, HMS source code, HMS 3.x support, Python 2 vs 3, HMS methods, HMS parameters.