uppercase_first_letter
capitalize
Also rename `lowercase_first_letter` to `decapitalize` PiperOrigin-RevId: 834622292 Change-Id: I1cfbda1be782ff40dd3fc0726601cc6b1f427345
* All tests moved into wasm/codegen/tests folder * Merged wasm/codegen/helpers/ into wasm/codegen/generators/ PiperOrigin-RevId: 829471173 Change-Id: I2dbc5d9351771817ec260c7ddf87c31e66a9eabe