#  Copyright 2026 zhaoxi826
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

class DemandError(Exception):
    pass

class ModelNotExistError(Exception):
    pass

class UserError(Exception):
    pass

class UserNotExistError(UserError):
    pass

class UserPasswordError(UserError):
    pass

class ProviderError(Exception):
    pass

class ProviderNotExistError(ProviderError):
    pass

class WorkflowError(Exception):

    pass

class WorkflowExit(WorkflowError):

    pass