class_docstr: Control that shows the meta information of the selected token.
class_docstr_tok: ["Control","that","shows","the","meta","information","of","the","selected","token","."]
code: def preferred_height(
      self, cli, width, max_available_height, wrap_lines
  ):
      return 1
  
imports: from __future__ import unicode_literals
  from six.moves import zip_longest, range
  from prompt_toolkit.filters import HasCompletions, IsDone, Condition, to_cli_filter
  from prompt_toolkit.mouse_events import MouseEventType
  from prompt_toolkit.token import Token
  from prompt_toolkit.utils import get_cwidth
  from .containers import Window, HSplit, ConditionalContainer, ScrollOffsets
  from .controls import UIControl, UIContent
  from .dimension import LayoutDimension
  from .margins import ScrollbarMargin
  from .screen import Point, Char
  import math
label_desc: Use image node_id 2 for calling the _SelectedCompletionMetaControl obj's underlying member method code with example usage: obj.preferred_height(cli, width, max_available_height, wrap_lines) and returns: int