class_docstr: Space for components in all directions around the panels
class_docstr_tok: ["Space","for","components","in","all","directions","around","the","panels"]
code: def __init__(self, pack):
      self.l = left_spaces(pack)
      self.r = right_spaces(pack)
      self.t = top_spaces(pack)
      self.b = bottom_spaces(pack)
  
imports: from __future__ import annotations
  import typing
  from abc import ABC
  from dataclasses import dataclass, fields
  from itertools import chain
  from matplotlib._tight_layout import get_subplotspec_list
  from ..facets import facet_grid, facet_null, facet_wrap
  from .patches import SFancyBboxPatch
  from .utils import bbox_in_figure_space, tight_bbox_in_figure_space
label_desc: Use image node_id 1 to create a new LRTBSpaces object  with example: obj = LRTBSpaces(pack)