code: def __eq__(self, other):
      return (
          isinstance(other, BlockMatrixPersistWriter)
          and self.id == other.id
          and self.storage_level == other.storage_level
      )
  
imports: import abc
  import json
  from ..typecheck import typecheck_method, sequenceof, nullable, enumeration
  from ..expr.types import tvoid, tstr
  from ..utils.misc import escape_str
label_desc: Use image node_id 4 for calling the BlockMatrixPersistWriter obj's underlying member method code with example usage: obj.__eq__(other) and returns: unknown