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/*
 * 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.
 */
package io.trino.client.auth.external;

import java.util.Optional;
import java.util.function.Supplier;

public interface KnownToken
{
    Optional getToken();

    void setupToken(Supplier> tokenSource);

    static KnownToken local()
    {
        return new LocalKnownToken();
    }

    static KnownToken memoryCached()
    {
        return MemoryCachedKnownToken.INSTANCE;
    }
}