class_docstr: Class for common meta, for both tileable and chunk, or DataFrame, tensor etc.
class_docstr_tok: ["Class","for","common","meta",",","for","both","tileable","and","chunk",",","or","DataFrame",",","tensor","etc","."]
code: def merge_from(self, value: "_CommonMeta"):
      return self
  
file_path: mars/mars/services/meta/core.py
imports: from dataclasses import dataclass
  from typing import Any, Dict, List, Tuple, Union, Type
  import numpy
  import pandas
  from ...typing import BandType
  from ...utils import dataslots, TypeDispatcher
label_desc: Use image node_id 1 for calling the _CommonMeta obj's underlying member method code with example usage: obj.merge_from(value) and returns: self