class_docstr: execute a call into multiple python functions/methods. 
class_docstr_tok: ["execute","a","call","into","multiple","python","functions\/methods","."]
code: def __init__(self, hook_impls, kwargs, firstresult=False):
      self.hook_impls = hook_impls
      self.caller_kwargs = kwargs  # come from _HookCaller.__call__()
      self.caller_kwargs["__multicall__"] = self
      self.firstresult = firstresult
  
imports: import sys
  import warnings
label_desc: Use image node_id 1 to create a new _LegacyMultiCall object from inherited base classes: object with example: obj = _LegacyMultiCall(hook_impls, kwargs, firstresult)