text: # extra imports -- just things to add to 'from bokeh.plotting import'
  from ..document import Document; Document
  
  from ..models import ColumnDataSource; ColumnDataSource
  from ..models.layouts import Row, Column; Row, Column
  
  from ..io import curdoc; curdoc
  from ..io import output_file; output_file
  from ..io import output_notebook; output_notebook
  from ..io import reset_output; reset_output
  from ..io import save; save
  from ..io import show; show
  from ..layouts import gridplot, GridSpec; gridplot, GridSpec
  
  from .figure import Figure; Figure
  from .figure import figure; figure
  from .figure import markers; markers
  from .figure import DEFAULT_TOOLS; DEFAULT_TOOLS
  
  from .gmap import GMap; GMap
  from .gmap import gmap; gmap
  