tag
The integer that identifies this schema's type in the log.
Values come from TypeRegistry and never change between format versions. Schemas that write the same bytes can share a tag, such as OptionalSchema and JavaOptionalSchema.
The integer that identifies this schema's type in the log.
Values come from TypeRegistry and never change between format versions. Schemas that write the same bytes can share a tag, such as OptionalSchema and JavaOptionalSchema.