code: def grid(self):
      return (
          self.x_block_count,
          ceildiv(
              int(self.sub_kernels[0].numels[0]), self.block_size_2d
          )
          if self.blocking_2d
          else 1,
          1,
      )
  
imports: import itertools
  from collections import defaultdict
  from dataclasses import dataclass
  from typing import Dict, List, Tuple
  from sympy import Integer
  from ..None import metrics
  from ..scheduler import SchedulerNode
  from ..utils import ceildiv, Placeholder
  from ..virtualized import V
  from .common import IndentedBuffer, Kernel
  from .triton import TritonKernel
  from .triton_utils import config_of, signature_to_meta
label_desc: Use image node_id 9 for calling the ForeachKernel obj's underlying member method code with example usage: obj.grid() and returns: self,  unknown,  int