coremltools/converters/mil/backend/mil/load.py
coremltools/models/neural_network/utils.py

coremltools/converters/keras/_keras_converter.py
coremltools/models/neural_network/builder.py

coremltools/converters/xgboost/_tree_ensemble.py
coremltools/models/tree_ensemble.py

coremltools/converters/mil/_deployment_compatibility.py
coremltools/models/neural_network/quantization_utils.py

coremltools/converters/keras/_keras2_converter.py
coremltools/models/neural_network/builder.py