module RuboCop::Cop::Style::MutableConstant::ShareableConstantValue

def magic_comment_in_scope(node)

that's in scope for this node
Identifies the most recent magic comment with valid shareable constant values
def magic_comment_in_scope(node)
  processed_source_till_node(node).reverse_each.find do |line|
    MagicComment.parse(line).valid_shareable_constant_value?
  end
end