fallbackType

@get:JvmName(name = "getFallbackType")
@set:JvmName(name = "setFallbackType")
var fallbackType: Nanopb.FieldType
Set the FT_DEFAULT field conversion strategy.
A field that can become a static member of a c struct (e.g. int, bool, etc)
will be a a static field.
Fields with dynamic length are converted to either a pointer or a callback.

optional .FieldType fallback_type = 29 [default = FT_CALLBACK];