def end_pos
      node_begin_pos = @node.loc.expression.begin_pos
      node_begin_pos += @node.loc.expression.source.index "do"
      while @node.loc.expression.source_buffer.source[node_begin_pos += 1] != '@'
      end
      node_begin_pos
    end
def end_pos
      node_begin_pos = @node.loc.expression.begin_pos
      node_begin_pos += @node.loc.expression.source.index "do"
      while @node.loc.expression.source_buffer.source[node_begin_pos += 1] != '@'
      end
      node_begin_pos
    end
End position of code to replace.

 @return [Integer] end position.