class RuboCop::Cop::Layout::SpaceInsideBlockBraces

def space_inside_left_brace(left_brace, args_delimiter)
  if pipe?(args_delimiter)
    unless cop_config['SpaceBeforeBlockParameters']
      offense(left_brace.end_pos, args_delimiter.begin_pos,
              'Space between { and | detected.') do
        opposite_style_detected
      end
    end
  else
    brace_with_space = range_with_surrounding_space(left_brace, :right)
    space(brace_with_space.begin_pos + 1, brace_with_space.end_pos,
          'Space inside { detected.')
  end
end