class ActionDispatch::Journey::Path::Pattern

def optional_names

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

def optional_names: () -> untyped

This signature was generated using 1 sample from 1 application. 

def optional_names
  @optional_names ||= spec.find_all(&:group?).flat_map { |group|
    group.find_all(&:symbol?)
  }.map(&:name).uniq
end