*/
public class ReleaseHighlightsGenerator {
    static void update(File templateFile, File outputFile, List<ChangelogEntry> entries) throws IOException {
        try (FileWriter output = new FileWriter(outputFile)) {
            output.write(
                generateFile(QualifiedVersion.of(VersionProperties.getElasticsearch()), Files.readString(templateFile.toPath()), entries)
            );
        }
    }

 */
public class BreakingChangesGenerator {

    static void update(File templateFile, File outputFile, List<ChangelogEntry> entries) throws IOException {
        try (FileWriter output = new FileWriter(outputFile)) {
            output.write(
                generateFile(QualifiedVersion.of(VersionProperties.getElasticsearch()), Files.readString(templateFile.toPath()), entries)
            );
        }
    }

import com.google.gson.Gson
import com.google.gson.stream.JsonWriter

class AcceptedApiChangesJsonFileManager {

    void emptyAcceptedApiChanges(File jsonFile) {
        jsonFile.withWriter { fileWriter ->
            def writer = new JsonWriter(fileWriter)
            writer.setIndent("    ")
            new Gson().toJson([acceptedApiChanges: []], Object, writer)
            writer.close()
        }
    }

 */
public class ReleaseNotesIndexGenerator {

    static void update(Set<QualifiedVersion> versions, File indexTemplate, File indexFile) throws IOException {
        try (FileWriter indexFileWriter = new FileWriter(indexFile)) {
            indexFileWriter.write(generateFile(versions, Files.readString(indexTemplate.toPath())));
        }
    }

    @VisibleForTesting

        final String templateString = Files.readString(templateFile.toPath());

        try (FileWriter output = new FileWriter(outputFile)) {
            output.write(generateFile(templateString, changelogs));
        }
    }

    @VisibleForTesting

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;

import org.codelibs.core.exception.IORuntimeException;

/**