* specific language governing permissions and limitations
 * under the License.
 */

/**
 * Provides support for Maven core extensions configuration and management.
 *
 * <p>This package contains classes for:</p>
 * <ul>
 *   <li>Extension configuration model</li>
 *   <li>Extension loading and validation</li>
 *   <li>Extension lifecycle management</li>
 * </ul>
 *
 * @since 4.0.0
 */

package once

// Singleton contains a pointer to T that must be set once.
// Until the value is set all Get() calls will block.
type Singleton[T any] struct {
	v   *T
	set chan struct{}
}

// NewSingleton creates a new unset singleton.
func NewSingleton[T any]() *Singleton[T] {
	return &Singleton[T]{set: make(chan struct{}), v: nil}
}

// Get will return the singleton value.
func (s *Singleton[T]) Get() *T {
	<-s.set
	return s.v

    // Generated classes may not adhere to the strict no-warning policy that we apply to handwritten code
    // For example, external JMH plugin generates code that produces compiler warnings
    if (!name.contains("CompileGeneratedClasses")) {
        options.compilerArgs.addAll(strictCompilerArgs)
    }

        <jsp:param name="menuCategoryType" value="system"/>
        <jsp:param name="menuType" value="dict"/>
    </jsp:include>
    <main class="content-wrapper">
        <div class="content-header">
            <div class="container-fluid">
                <div class="row mb-2">
                    <div class="col-sm-6">
                        <h1>
                            <la:message key="labels.dict_mapping_title"/>
                        </h1>

        <jsp:param name="menuCategoryType" value="system"/>
        <jsp:param name="menuType" value="dict"/>
    </jsp:include>
    <main class="content-wrapper">
        <div class="content-header">
            <div class="container-fluid">
                <div class="row mb-2">
                    <div class="col-sm-6">
                        <h1>
                            <la:message key="labels.dict_synonym_title"/>
                        </h1>

        <jsp:param name="menuCategoryType" value="system"/>
        <jsp:param name="menuType" value="dict"/>
    </jsp:include>
    <main class="content-wrapper">
        <div class="content-header">
            <div class="container-fluid">
                <div class="row mb-2">
                    <div class="col-sm-6">
                        <h1>
                            <la:message key="labels.dict_synonym_title"/>
                        </h1>

        <jsp:param name="menuType" value="fileAuthentication"/>
    </jsp:include>
    <main class="content-wrapper">
        <div class="content-header">
            <div class="container-fluid">
                <div class="row mb-2">
                    <div class="col-sm-6">
                        <h1>
                            <la:message key="labels.file_auth_title_details"/>

        <jsp:param name="menuType" value="keyMatch"/>
    </jsp:include>
    <main class="content-wrapper">
        <div class="content-header">
            <div class="container-fluid">
                <div class="row mb-2">
                    <div class="col-sm-6">
                        <h1>
                            <la:message key="labels.key_match_configuration"/>

        <jsp:param name="menuType" value="relatedContent"/>
    </jsp:include>
    <main class="content-wrapper">
        <div class="content-header">
            <div class="container-fluid">
                <div class="row mb-2">
                    <div class="col-sm-6">
                        <h1>
                            <la:message key="labels.related_content_configuration"/>

        if (null == name) {
            return defaultClazz; // just use the default type
        }

        // TCCL allows surrounding container to influence class loading policy
        final ClassLoader tccl = Thread.currentThread().getContextClassLoader();
        if (tccl != null) {
            try {
                return tccl.loadClass(name);