class YARP::BlockNode

def deconstruct_keys(keys)

def deconstruct_keys: (keys: Array[Symbol]) -> Hash[Symbol, nil | Node | Array[Node] | String | Token | Array[Token] | Location] 
def deconstruct_keys(keys)
  { locals: locals, parameters: parameters, body: body, opening_loc: opening_loc, closing_loc: closing_loc, location: location }
end