code: def __len__(self) -> int:
      return 0
  
imports: import inspect
  import abc
  import ivy
  from ivy.functional.frontends.jax.func_wrapper import to_ivy_arrays_and_back
  from .creation import linspace, arange, array
  from .manipulations import transpose, concatenate, expand_dims
label_desc: Use image node_id 2 for calling the _AxisConcat obj's underlying member method code with example usage: obj.__len__() and returns: int