- **Reflection** (`org.codelibs.core.lang`) - Class loading, method/field access, type introspection utilities, and generics support
- **Exception Handling** (`org.codelibs.core.exception`) - Runtime exception wrappers for common checked exceptions with consistent error handling

### Modern Java 21 Support

 */
package org.apache.maven.model.interpolation.reflection;

import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Hashtable;
import java.util.Map;

/**
 * A cache of introspection information for a specific class instance.
 * Keys {@link Method} objects by a concatenation of the
 * method name and the names of classes that make up the parameters.
 *

          if (prev == PARKED) {
            LockSupport.unpark((Thread) currentRunner);
          }
        }
      }
    }
  }

  /**
   * Using this as the blocker object allows introspection and debugging tools to see that the
   * currentRunner thread is blocked on the progress of the interruptor thread, which can help
   * identify deadlocks.
   */
  @VisibleForTesting

      "FINE: Q10001 finished run in   0 µs: task two",
      "FINE: Q10002 starting              : task three",
      "FINE: Q10002 finished run in   0 µs: task three",
    )
  }

  /** Test the introspection method [TaskQueue.scheduledTasks]. */
  @Test fun scheduledTasks() {
    redQueue.execute("task one", 100.µs) {
      // Do nothing.
    }

    redQueue.execute("task two", 200.µs) {
      // Do nothing.

     */
    static ImmutableMap<TypeVariableKey, Type> getTypeMappings(Type contextType) {
      checkNotNull(contextType);
      TypeMappingIntrospector introspector = new TypeMappingIntrospector();
      introspector.visit(contextType);
      return ImmutableMap.copyOf(introspector.mappings);
    }

    @Override
    void visitClass(Class<?> clazz) {
      visit(clazz.getGenericSuperclass());