import org.apache.maven.plugin.descriptor.Parameter;
import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator;
import org.codehaus.plexus.configuration.PlexusConfiguration;

/**
 * Print warnings if deprecated core parameters are used in mojo.
 *
 * @since 3.9.1
 */
@Singleton
@Named
class DeprecatedCoreExpressionValidator extends AbstractMavenPluginParametersValidator {

            synchronized (currentStream) {
                currentStream.print(x);
                currentStream.notifyAll();
            }
        }

        @Override
        public void print(boolean b) {
            final PrintStream currentStream = getOutputStreamForCurrentThread();
            synchronized (currentStream) {
                currentStream.print(b);
                currentStream.notifyAll();
            }

import org.apache.maven.plugin.descriptor.Parameter;
import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator;
import org.codehaus.plexus.configuration.PlexusConfiguration;

/**
 * Print warnings if deprecated mojo or parameters of plugin are used in configuration.
 *
 */
@Singleton
@Named
class DeprecatedPluginValidator extends AbstractMavenPluginDescriptorSourcedParametersValidator {

import org.apache.maven.plugin.descriptor.Parameter;
import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluator;
import org.codehaus.plexus.configuration.PlexusConfiguration;

/**
 * Print warnings if read-only parameters of a plugin are used in configuration.
 *
 */
@Named
@Singleton
class ReadOnlyPluginParametersValidator extends AbstractMavenPluginDescriptorSourcedParametersValidator {

    @Inject

        System.out.print(paid); // No, this does not print to system.out. It's part of the test
        assertEquals(paid.length(), byteArrayOutputStream.size());
        threadOutputMuxer.associateThreadWithProjectSegment(projectBuildList.get(1));
        System.out.print(in); // No, this does not print to system.out. It's part of the test