307         let km_dev: Strong<dyn IKeyMintDevice> = self  in create_operation()  localVariable
314                 &*km_dev,  in create_operation()
325                         km_dev.begin(purpose, blob, &operation_parameters, immediate_hat.as_ref())  in create_operation()
511         let km_dev: Strong<dyn IKeyMintDevice> = self.keymint.get_interface()?;  in generate_key()  localVariable
521                     &*km_dev,  in generate_key()
540                             km_dev.generateKey(&params, attest_key.as_ref())  in generate_key()
555                     km_dev.generateKey(&params, Some(&attestation_key))  in generate_key()
571                 km_dev.generateKey(&params, None)  in generate_key()
628         let km_dev: Strong<dyn IKeyMintDevice> =  in import_key()  localVariable
633             km_dev.importKey(&params, format, key_data, None /* attestKey */)  in import_key()
739         let km_dev: Strong<dyn IKeyMintDevice> = self.keymint.get_interface()?;  in import_wrapped_key()  localVariable
742                 &*km_dev,  in import_wrapped_key()
752                     let creation_result = map_km_error(km_dev.importWrappedKey(  in import_wrapped_key()
798         km_dev: &dyn IKeyMintDevice,  in upgrade_keyblob_if_required_with()
818                     map_km_error(km_dev.upgradeKey(key_blob, params))  in upgrade_keyblob_if_required_with()
886         let km_dev: Strong<dyn IKeyMintDevice> = self.keymint.get_interface().context(concat!(  in convert_storage_key_to_ephemeral()  localVariable
898             map_km_error(km_dev.convertStorageKeyToEphemeral(key_blob))  in convert_storage_key_to_ephemeral()
909                     map_km_error(km_dev.upgradeKey(key_blob, &[]))  in convert_storage_key_to_ephemeral()
917                     map_km_error(km_dev.convertStorageKeyToEphemeral(&upgraded_blob))  in convert_storage_key_to_ephemeral()
948         let km_dev: Strong<dyn IKeyMintDevice> = self  in delete_key()  localVariable
955             map_km_error(km_dev.deleteKey(&key_blob)).context("In keymint device deleteKey")  in delete_key()