<type>boolean</type>
          <description>Whether to send notifications on error.</description>
        </field>
        <field>
          <name>sendOnFailure</name>
          <version>4.0.0+</version>
          <defaultValue>true</defaultValue>
          <type>boolean</type>
          <description>Whether to send notifications on failure.</description>
        </field>
        <field>

        // We have collected all the problems so let's mimic the way the old code worked and just blow up right here.
        // That's right lets just let it rip right here and send a big incomprehensible blob of text at unsuspecting
        // users. Bad dog!

        resolutionErrorHandler.throwErrors(request, result);

        return result;
    }

import java.util.Objects;
import java.util.Set;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.versioning.VersionRange;
import org.codehaus.plexus.logging.Logger;

/**
 * Send resolution events to the debug log.
 *
 */
@Deprecated
public class DebugResolutionListener implements ResolutionListener, ResolutionListenerForDepMgmt {
    private Logger logger;

    private String indent = "";

    /**
     * @return true if the <b>debug</b> error level is enabled
     */
    boolean isDebugEnabled();

    /**
     * Send a message to the user in the <b>debug</b> error level.
     *
     * @param content
     */
    void debug(CharSequence content);

    /**
     * Send a message (and accompanying exception) to the user in the <b>debug</b> error level.<br>

 */
package org.apache.maven.artifact.resolver;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.versioning.VersionRange;
import org.codehaus.plexus.logging.Logger;

/**
 * Send resolution warning events to the warning log.
 *
 */
@Deprecated
public class WarningResolutionListener implements ResolutionListener {
    private Logger logger;

    public WarningResolutionListener(Logger logger) {