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/*
 * Copyright 2017 ObjectBox Ltd. All rights reserved.
 *
 * 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.objectbox.reactive;

import javax.annotation.Nullable;

import io.objectbox.annotation.apihint.Internal;

@Internal
public interface DataPublisher {
    void subscribe(DataObserver observer, @Nullable Object param);

    void publishSingle(DataObserver observer, @Nullable Object param);

    void unsubscribe(DataObserver observer, @Nullable Object param);
}