class_docstr: A global variable in the IR.
  
  GlobalVar is used to refer to the global functions
  stored in the IRModule.
  
  Parameters
  ----------
  name_hint: str
      The name of the variable.
class_docstr_tok: ["A","global","variable","in","the","IR",".","GlobalVar","is","used","to","refer","to","the","global","functions","stored","in","the","IRModule",".","Parameters","--","--","--","--","--","name_hint",":","str","The","name","of","the","variable","."]
code: def __init__(self, name_hint: str, type_annot: Optional[Type] = None):
      self.__init_handle_by_constructor__(
          _ffi_api.GlobalVar, name_hint, type_annot
      )
  
imports: from numbers import Number
  from typing import Callable, Optional
  import tvm._ffi
  from ..runtime import Object, Scriptable, const, convert
  from .None import _ffi_api
  from .base import Node, Span
  from .type import Type
label_desc: Use image node_id 1 to create a new GlobalVar object from inherited base classes: RelayExpr with example: obj = GlobalVar(name_hint, type_annot)