class RuboCop::Cop::Layout::SpaceInsideBlockBraces

def check_inside(node, left_brace, right_brace)
  if left_brace.end_pos == right_brace.begin_pos
    adjacent_braces(left_brace, right_brace)
  else
    range = range_between(left_brace.end_pos, right_brace.begin_pos)
    inner = range.source
    if /\S/.match?(inner)
      braces_with_contents_inside(node, inner)
    elsif style_for_empty_braces == :no_space
      offense(range.begin_pos, range.end_pos,
              'Space inside empty braces detected.',
              'EnforcedStyleForEmptyBraces')
    end
  end
end