import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collection;
import java.util.List;
import java.util.Map;

import org.apache.maven.api.Constants;
import org.apache.maven.api.services.Sources;
import org.apache.maven.model.Model;
import org.apache.maven.model.v4.MavenStaxReader;
import org.apache.maven.project.MavenProject;

	Authorization      = "Authorization"
	Action             = "Action"
	Range              = "Range"
)

// Non standard S3 HTTP response constants
const (
	XCache       = "X-Cache"
	XCacheLookup = "X-Cache-Lookup"
)

// Standard S3 HTTP request constants
const (
	IfModifiedSince   = "If-Modified-Since"
	IfUnmodifiedSince = "If-Unmodified-Since"
	IfMatch           = "If-Match"

                    case ERROR -> "error";
                };

        String current = System.setProperty(Constants.MAVEN_LOGGER_DEFAULT_LOG_LEVEL, value);
        if (current != null && !value.equalsIgnoreCase(current)) {
            LOGGER.info(
                    "System property '" + Constants.MAVEN_LOGGER_DEFAULT_LOG_LEVEL + "' is already set to '" + current

        }
        systemProperties.setProperty(Constants.MAVEN_VERSION_MAJOR, versionElements[0]);
        systemProperties.setProperty(Constants.MAVEN_VERSION_MINOR, versionElements[1]);
        systemProperties.setProperty(Constants.MAVEN_VERSION_PATCH, versionElements[2]);
        systemProperties.setProperty(Constants.MAVEN_VERSION_SNAPSHOT, Boolean.toString(snapshot));

        return doGet(userProperties, Constants.MAVEN_MAVEN3_PERSONALITY, false);
    }

    /**
     * Check if the consumer POM feature is active.
     */
    public static boolean consumerPom(@Nullable Map<String, ?> userProperties) {
        return doGet(userProperties, Constants.MAVEN_CONSUMER_POM, !mavenMaven3Personality(userProperties));
    }

    /**

        String extClassPath = protoSession.getUserProperties().get(Constants.MAVEN_EXT_CLASS_PATH);
        if (extClassPath == null) {
            extClassPath = protoSession.getSystemProperties().get(Constants.MAVEN_EXT_CLASS_PATH);
            if (extClassPath != null) {
                context.logger.warn("The property '" + Constants.MAVEN_EXT_CLASS_PATH

import static org.apache.maven.api.Constants.MAVEN_HOME;
import static org.apache.maven.api.Constants.MAVEN_INSTALLATION_CONF;

// TODO push all common bits back to plexus cli and prepare for transition to Guice. We don't need 50 ways to make CLIs

/**
 */
@Deprecated
public class MavenCli {

    /**
     * @deprecated Use {@link org.apache.maven.api.Constants#MAVEN_REPO_LOCAL} instead
     */

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Map;

import org.apache.maven.api.Constants;
import org.codehaus.plexus.components.secdispatcher.Dispatcher;
import org.codehaus.plexus.components.secdispatcher.SecDispatcher;
import org.codehaus.plexus.components.secdispatcher.internal.DefaultSecDispatcher;

/**

import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;

import org.apache.maven.api.Constants;
import org.apache.maven.eventspy.AbstractEventSpy;
import org.apache.maven.execution.ExecutionEvent;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.InputLocation;

   *
   * @param url the URL to read from
   * @param charset the charset used to decode the input stream; see {@link StandardCharsets} for
   *     helpful predefined constants
   * @return a string containing all the characters from the URL
   * @throws IOException if an I/O error occurs.
   */
  public static String toString(URL url, Charset charset) throws IOException {