module RuboCop::AST::BinaryOperatorNode

def conditions
  lhs, rhs = *self
  lhs = lhs.children.first if lhs.begin_type?
  rhs = rhs.children.first if rhs.begin_type?
  [lhs, rhs].each_with_object([]) do |side, collection|
    if side.operator_keyword?
      collection.concat(side.conditions)
    else
      collection << side
    end
  end
end