code: def ShapeVar(name):
      """A helper which constructs a type var of which the shape kind.
  
      Parameters
      ----------
      name : str
  
      Returns
      -------
      type_var : tvm.relay.TypeVar
          The shape variable.
      """
      return TypeVar(name, kind=TypeKind.ShapeVar)
  
file_path: tvm/python/tvm/relay/ty.py
imports: from tvm.ir import Type, TypeKind, TypeVar, GlobalTypeVar
  from tvm.ir import TypeConstraint, FuncType, TupleType, IncompleteType
  from tvm.ir import TypeCall, TypeRelation, TensorType, RelayRefType
  from .base import RelayNode
  from .None import _ffi_api
label_desc: Use image node_id 2 for calling a global function with example usage: ShapeVar(name) and returns: TypeVar