docstr: Build a entity graph.
  
  Returns
  -------
  graph : EntityGraph
      Entity graph.
docstr_tok: ["Build","a","entity","graph",".","Returns","--","--","--","-","graph",":","EntityGraph","Entity","graph","."]
code: def build(
      self,
  ) -> Generator[Union[EntityGraph, ChunkGraph], None, None]:
      """
      Build a entity graph.
  
      Returns
      -------
      graph : EntityGraph
          Entity graph.
      """
  
file_path: mars/mars/core/graph/builder/base.py
imports: from abc import ABC, abstractmethod
  from typing import List, Set, Union, Generator
  from ....typing import EntityType
  from ..entity import EntityGraph, TileableGraph, ChunkGraph
label_desc: Use image node_id 6 for calling the AbstractGraphBuilder obj's underlying member method code with example usage: obj.build() without return types