class GraphQL::Language::Nodes::VariableDefinition

An operation-level query variable

def initialize_node(name: nil, type: nil, default_value: nil) 

def initialize_node(name: nil, type: nil, default_value: nil)
  @name = name
  @type = type
  @default_value = default_value
end

def scalars 

def scalars
  [name, type, default_value]
end