class Prism::WhileNode

def initialize(flags, keyword_loc, closing_loc, predicate, statements, location)

def initialize: (Integer flags, Location keyword_loc, Location? closing_loc, Node predicate, StatementsNode? statements, Location location) -> void 
def initialize(flags, keyword_loc, closing_loc, predicate, statements, location)
  @newline = false
  @flags = flags
  @keyword_loc = keyword_loc
  @closing_loc = closing_loc
  @predicate = predicate
  @statements = statements
  @location = location
end