import org.gradle.cli.ParsedCommandLine;
import org.gradle.internal.buildoption.BuildOptionSet;

import java.util.Map;

public class BuildOptionBackedConverter<T> {
    private final BuildOptionSet<T> buildOptions;

    public BuildOptionBackedConverter(BuildOptionSet<T> buildOptions) {
        this.buildOptions = buildOptions;
    }

    public void configure(CommandLineParser parser) {

public class StartParameterConverter {
    private final BuildOptionBackedConverter<WelcomeMessageConfiguration> welcomeMessageConfigurationCommandLineConverter = new BuildOptionBackedConverter<>(new WelcomeMessageBuildOptions());
    private final BuildOptionBackedConverter<LoggingConfiguration> loggingConfigurationCommandLineConverter = new BuildOptionBackedConverter<>(new LoggingConfigurationBuildOptions());

    private final LayoutToPropertiesConverter layoutToPropertiesConverter;
    private final StartParameterConverter startParameterConverter;
    private final BuildOptionBackedConverter<DaemonParameters> daemonParametersConverter;

    private final BuildOptionBackedConverter<ToolchainConfiguration> toolchainConfigurationBuildOptionBackedConverter;
    private final FileCollectionFactory fileCollectionFactory;

        @Override
        public void execute(ExecutionListener executionListener) {
            BuildOptionBackedConverter<WelcomeMessageConfiguration> welcomeMessageConverter = new BuildOptionBackedConverter<>(new WelcomeMessageBuildOptions());
            BuildOptionBackedConverter<LoggingConfiguration> loggingBuildOptions = new BuildOptionBackedConverter<>(new LoggingConfigurationBuildOptions());

Class <org.gradle.launcher.cli.converter.BuildOptionBackedConverter> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (BuildOptionBackedConverter.java:0)