io.helidon.metrics.api.MeterRegistryFormatter Maven / Gradle / Ivy

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Loader for metrics implementation and a no-op implementation

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/*
 * Copyright (c) 2023 Oracle and/or its affiliates.
 *
 * 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.helidon.metrics.api;

import java.util.Optional;

/**
 * Formatter of a {@link io.helidon.metrics.api.MeterRegistry} according to a given media type.
 */
public interface MeterRegistryFormatter {

    /**
     * Formats the meter registry's data.
     *
     * @return formatted output
     */
    Optional