backend_config = BackendConfig("my_backend")             .set_backend_pattern_config(linear_config)             .set_backend_pattern_config(conv_relu_config)             .set_backend_pattern_config(fused_conv_relu_config)
property configs: List[BackendPatternConfig]
  Return a copy of the list of configs set in this
  *BackendConfig*.

classmethod from_dict(backend_config_dict)
  Create a "BackendConfig" from a dictionary with the following
  items:

     "name": the name of the target backend

     "configs": a list of dictionaries that each represents a
     *BackendPatternConfig*

  Return type:
     *BackendConfig*

set_backend_pattern_config(config)
  Set the config for an pattern that can be run on the target
  backend. This overrides any existing config for the given
  pattern.

  Return type:
     *BackendConfig*

set_backend_pattern_configs(configs)
  Set the configs for patterns that can be run on the target
