| check_spec_mode_engine_val | Error handling for unknown mode | 
| get_dependency | Register Dependency for Model | 
| get_encoding | Register Encoding Options for Model | 
| get_fit | Register Fit method for Model | 
| get_from_env | Working with the modelenv model environment | 
| get_model_arg | Register Argument for Model | 
| get_model_env | Working with the modelenv model environment | 
| get_pred_type | Register Prediction Method for Model | 
| is_unsupervised_fit | Determine object is has class unsupervised_fit | 
| is_unsupervised_spec | Determine object is has class unsupervised_spec | 
| new_unsupervised_fit | Give object unsupervised fit class | 
| new_unsupervised_spec | Give object unsupervised specification class | 
| set_dependency | Register Dependency for Model | 
| set_encoding | Register Encoding Options for Model | 
| set_env_val | Working with the modelenv model environment | 
| set_fit | Register Fit method for Model | 
| set_model_arg | Register Argument for Model | 
| set_model_engine | Register Engine for Model | 
| set_model_mode | Register Mode for Model | 
| set_new_model | Register New Model | 
| set_pred | Register Prediction Method for Model | 
| stop_incompatible_mode | Error handling for incompatible modes |