import java.io.File;
import java.util.HashSet;
import java.util.Set;
import java.util.TreeSet;
import java.util.concurrent.atomic.AtomicBoolean;

class PgpEntry extends VerificationEntry {
    private final Factory<File> signatureFile;
    private final Set<String> trustedKeys = new TreeSet<>();
    private final AtomicBoolean requiresChecksums = new AtomicBoolean();

import java.util.Set;

class WriterSignatureVerificationResult implements SignatureVerificationResultBuilder {
    private final Set<String> ignoredKeys;
    private final PgpEntry entry;

    public WriterSignatureVerificationResult(Set<String> ignoredKeys, PgpEntry entry) {
        this.ignoredKeys = ignoredKeys;
        this.entry = entry;
    }

    @Override
    public void missingKey(String keyId) {

    private static class EntriesBuilder {
        private final Set<PgpEntry> entries = new LinkedHashSet<>()

        PgpEntry entry(String group = "org", String name = null, String version = null, String file = null) {
            def entry = pgpEntry(group, name, version, file)
            entries.add(entry)
            entry
        }
    }