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Facade over tracing concepts

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/**
 * Copyright 2022 the original author or authors.
 *
 * 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
 *
 * https://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.micrometer.tracing.exporter;

/**
 * An interface that allows to filter whether a given reported span should be exported or
 * not.
 *
 * @author Marcin Grzejszczak
 * @since 1.0.0
 */
public interface SpanExportingPredicate {

    /**
     * Called to export sampled {@code Span}s.
     * @param span the collection of sampled Spans to be exported.
     * @return whether should export spans
     */
    boolean isExportable(FinishedSpan span);

}