message: update: misleading variable name
diff: @@ -475,11 +475,11 @@ class FluentClientGenerator(
  is RustType.Vec -> with(core) { renderVecHelper(member, memberName, coreType) }
  is RustType.HashMap -> with(core) { renderMapHelper(member, memberName, coreType) }
  else -> {
  - val signature = coreType.asArgument("signature")
  + val functionInput = coreType.asArgument("input")
  documentShape(member, model)
  - rustBlock("pub fn $memberName(mut self, ${signature.argument}) -> Self") {
  - write("self.inner = self.inner.$memberName(${signature.value});")
  + rustBlock("pub fn $memberName(mut self, ${functionInput.argument}) -> Self") {
  + write("self.inner = self.inner.$memberName(${functionInput.value});")
  write("self")
  }
  }
  