# Copyright 2025 Amazon.com, Inc.
#
# 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.

from dataclasses import dataclass
from enum import Enum


@dataclass
class _SageMakerStorageInfo:
    rank: int
    offset: int
    length: int


class StorageTier(Enum):
    IN_MEMORY = 0
    S3 = 1

    def __str__(self):
        return {0: "IN_MEMORY", 1: "S3"}[self.value]


METADATA_INDEX = 0
