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Trino - Prometheus connector

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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.plugin.prometheus;

import com.google.common.collect.ImmutableMap;

import java.time.Instant;
import java.util.Map;

import static java.util.Objects.requireNonNull;

public record PrometheusStandardizedRow(Map labels, Instant timestamp, Double value)
{
    public PrometheusStandardizedRow
    {
        labels = ImmutableMap.copyOf(requireNonNull(labels, "labels is null"));
        requireNonNull(timestamp, "timestamp is null");
        requireNonNull(value, "value is null");
    }
}