class ActiveModel::Type::Value

def serialize(value)

Experimental RBS support (using type sampling data from the type_fusion project). 

def serialize: (Integer value) -> Integer

This signature was generated using 1 sample from 1 application.

+nil+.
+String+, +Numeric+, +Date+, +Time+, +Symbol+, +true+, +false+, or
to understand. The returned value from this method should be a
Casts a value from the ruby type to a type that the database knows how 
def serialize(value)
  value
end