class RuboCop::Cop::Performance::CollectionLiteralInLoop

def check_literal?(node, method, arguments)
  !node.nil? &&
    nonmutable_method_of_array_or_hash?(node, method) &&
    node.children.size >= min_size &&
    node.recursive_basic_literal? &&
    !optimized_array_include?(node, method, arguments)
end