pub fn codec_path(mut self, codec_path: impl Into<String>) -> Self {
        self.compile_settings.codec_path = codec_path.into();
        self
    }
Override the default codec.

If set, writes `{codec_path}::default()` in generated code wherever a codec is created.

This defaults to `"tonic::codec::ProstCodec"`
tonic-build/src/prost.rs