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/*
 * Copyright 2010-2015 JetBrains s.r.o.
 *
 * 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 org.jetbrains.kotlin.resolve;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor;
import org.jetbrains.kotlin.descriptors.Visibilities;

import java.util.Queue;

public class VisibilityUtil {
    @NotNull
    public static CallableMemberDescriptor findMemberWithMaxVisibility(@NotNull Queue descriptors) {
        CallableMemberDescriptor descriptor = descriptors.element();
        for (CallableMemberDescriptor candidate : descriptors) {
            Integer result = Visibilities.compare(descriptor.getVisibility(), candidate.getVisibility());
            if (result != null && result < 0) {
                descriptor = candidate;
            }
        }
        return descriptor;
    }
}