* specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api;

import org.apache.maven.api.annotations.Config;

/**
 * Configuration constants.
 */
public final class Constants {

    /**
     * Maven home.
     *
     * @since 3.0.0
     */
    @Config(readOnly = true)
    public static final String MAVEN_HOME = "maven.home";

    /**

	// Hex constant 0x80000001
	MOVW $2147483649, R5            // 6405800060a50001 or 0600800038a00001
	MOVD $2147483649, R5            // 6405800060a50001 or 0600800038a00001
	// Hex constant 0xFFFFFFFF80000001
	MOVD $-2147483647, R5           // 3ca0800060a50001 or 0603800038a00001
	// Hex constant 0xFFFFFFFE00000002 (load of constant on < power10, pli on >= power10

        return style("." + Constants.MAVEN_STYLE_INFO_NAME + ":-" + Constants.MAVEN_STYLE_INFO_DEFAULT, message);
    }

    /**
     * Append message content in warning style.
     * By default, bold yellow
     *
     * @param message the message to append
     * @return the current builder
     */
    @Nonnull
    default MessageBuilder warning(Object message) {

import org.apache.maven.properties.internal.SystemProperties;

import static java.util.Objects.requireNonNull;
import static org.apache.maven.api.Constants.MAVEN_HOME;
import static org.apache.maven.api.Constants.MAVEN_INSTALLATION_CONF;
import static org.apache.maven.cling.invoker.Utils.getCanonicalPath;
import static org.apache.maven.cling.invoker.Utils.or;

import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Predicate;
import java.util.stream.Collectors;

import org.apache.maven.api.Constants;
import org.apache.maven.api.di.Inject;
import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.services.TypeRegistry;
import org.apache.maven.api.xml.XmlNode;

        String extClassPath = invokerRequest.userProperties().get(Constants.MAVEN_EXT_CLASS_PATH);
        if (extClassPath == null) {
            extClassPath = invokerRequest.systemProperties().get(Constants.MAVEN_EXT_CLASS_PATH);
            if (extClassPath != null) {
                context.logger.warn("The property '" + Constants.MAVEN_EXT_CLASS_PATH

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;

/**

{* ../../docs_src/query_params_str_validations/tutorial006.py hl[7] *}

/// info

Si vous n'avez jamais vu ce `...` auparavant : c'est une des constantes natives de Python <a href="https://docs.python.org/fr/3/library/constants.html#Ellipsis" class="external-link" target="_blank">appelée "Ellipsis"</a>.

///

Cela indiquera à **FastAPI** que la présence de ce paramètre est obligatoire.

        String userDefinedLocalRepo = context.invokerRequest.userProperties().get(Constants.MAVEN_REPO_LOCAL);
        if (userDefinedLocalRepo == null) {
            userDefinedLocalRepo = context.invokerRequest.systemProperties().get(Constants.MAVEN_REPO_LOCAL);
            if (userDefinedLocalRepo != null) {
                context.logger.warn("The property '" + Constants.MAVEN_REPO_LOCAL

     */
    private static final String DARWIN = "darwin";

    static {
        // Those two public constants are initialized here, as they need all the private constants
        // above to be initialized first, but the code style imposes the public constants to be
        // defined above the private ones...
        OS_FAMILY = getOsFamily();
        IS_WINDOWS = isFamily(FAMILY_WINDOWS);
    }