docstr: Size in bytes of serialized payload a Node can carry.
docstr_tok: ["Size","in","bytes","of","serialized","payload","a","Node","can","carry","."]
code: def max_payload(self) -> int:
      """Size in bytes of serialized payload a Node can carry."""
      return self._tree_conf.page_size - 4 - PAGE_REFERENCE_BYTES
  
imports: import abc
  import bisect
  import math
  from typing import Optional
  from .const import ENDIAN, NODE_TYPE_BYTES, USED_PAGE_LENGTH_BYTES, PAGE_REFERENCE_BYTES, TreeConf
  from .entry import Entry, Record, Reference, OpaqueData
label_desc: Use image node_id 4 for calling the Node obj's underlying member method code with example usage: obj.max_payload() and returns: unknown