class_docstr: Abstract class for TensorFlow model loader.
class_docstr_tok: ["Abstract","class","for","TensorFlow","model","loader","."]
docstr: Load GraphDef and parse into NetworkEnsemble (TFSSA).
docstr_tok: ["Load","GraphDef","and","parse","into","NetworkEnsemble","(","TFSSA",")","."]
code: def _tf_ssa_from_graph_def(self, fn_name="main"):
      """Load GraphDef and parse into NetworkEnsemble (TFSSA)."""
      pass
  
imports: import gc
  import os
  from distutils.version import StrictVersion
  from tempfile import mktemp
  import tensorflow
  from tqdm import tqdm
  from coremltools import _logger
  from coremltools._deps import _get_version
  from coremltools.converters._profile_utils import _profile
  from .._utils import get_output_names
  from .basic_graph_ops import fill_outputs
  from .converter import TFConverter
  from .parsed_tf_node import ParsedTFNode
  from .tf_graph_pass import cond_to_where, constant_propagation, delete_asserts, delete_disconnected_nodes, delete_unnecessary_constant_nodes, functionalize_loops, fuse_dilation_conv, insert_get_tuple, quantization_pass, remove_variable_nodes, tensor_array_resource_removal
  from .tfssa import NetworkEnsemble, SSAFunction
label_desc: Use image node_id 4 for calling the TFLoader obj's underlying member method code with example usage: obj._tf_ssa_from_graph_def(fn_name) without return types