# Structs
ErrBlocked is a custom error representing a blocked function or method.
ErrDeprecated is a custom error representing a deprecated function or method.
ErrNotImplemented is a custom error representing an unimplemented function or method.
ErrNotOverridden is a custom error representing a method that must be overridden.
# Type aliases
ConstError defines an Error type that can be a constant because it's really just a string.