class_docstr: A handle to the current thread block group. Must be
  created via :func:`this_thread_block`.
  
  .. seealso:: `CUDA Thread Block Group API`_
  
  .. _CUDA Thread Block Group API:
      https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#thread-block-group-cg
class_docstr_tok: ["A","handle","to","the","current","thread","block","group",".","Must","be","created","via",":","func",":","`","this_thread_block","`",".","..","seealso",":",":","`","CUDA","Thread","Block","Group","API","`","_","..","_CUDA","Thread","Block","Group","API",":","https",":","\/\/docs.nvidia.com\/cuda\/cuda-c-programming-guide\/index.html","#","thread-block-group-cg"]
code: def __init__(self):
      self.child_type = "cg::thread_block"
  
imports: from cupy.cuda import runtime
  from cupyx.jit import _compile
  from cupyx.jit import _cuda_types
  from cupyx.jit._internal_types import BuiltinFunc
  from cupyx.jit._internal_types import Constant
  from cupyx.jit._internal_types import Data
  from cupyx.jit._internal_types import wraps_class_method
label_desc: Use image node_id 1 to create a new _ThreadBlockGroup object from inherited base classes: _ThreadGroup with example: obj = _ThreadBlockGroup()