class RuboCop::Cop::RSpec::IndexedLet

def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
  return unless spec_group?(node)
  children = node.body&.child_nodes
  return unless children
  filter_indexed_lets(children).each do |let_node|
    index = let_name(let_node)[INDEX_REGEX]
    add_offense(let_node, message: format(MSG, index: index))
  end
end