}

  private static <D extends GenericDeclaration> TypeVariable<D> newTypeVariableImpl(
      D genericDeclaration, String name, Type[] bounds) {
    TypeVariableImpl<D> typeVariableImpl = new TypeVariableImpl<>(genericDeclaration, name, bounds);
    @SuppressWarnings("unchecked")
    TypeVariable<D> typeVariable =
        Reflection.newProxy(
            TypeVariable.class, new TypeVariableInvocationHandler(typeVariableImpl));

    TypeVariable<?> noBoundJvmType = WithTypeVariable.getTypeVariable("withoutBound");
    TypeVariable<?> objectBoundJvmType = WithTypeVariable.getTypeVariable("withObjectBound");
    TypeVariable<?> upperBoundJvmType = WithTypeVariable.getTypeVariable("withUpperBound");
    TypeVariable<?> noBound = withBounds(noBoundJvmType);
    TypeVariable<?> objectBound = withBounds(objectBoundJvmType, Object.class);

    TypeVariable<?> noBoundJvmType = WithTypeVariable.getTypeVariable("withoutBound");
    TypeVariable<?> objectBoundJvmType = WithTypeVariable.getTypeVariable("withObjectBound");
    TypeVariable<?> upperBoundJvmType = WithTypeVariable.getTypeVariable("withUpperBound");
    TypeVariable<?> noBound = withBounds(noBoundJvmType);
    TypeVariable<?> objectBound = withBounds(objectBoundJvmType, Object.class);

    final List<TypeParameterSignature> parameterSignatures;

    TypeSignature(TypeVariable<Method>[] parameters) {
      parameterSignatures =
          transform(
              asList(parameters),
              new Function<TypeVariable<?>, TypeParameterSignature>() {
                @Override
                public TypeParameterSignature apply(TypeVariable<?> from) {
                  return new TypeParameterSignature(from);

    final List<TypeParameterSignature> parameterSignatures;

    TypeSignature(TypeVariable<Method>[] parameters) {
      parameterSignatures =
          transform(
              asList(parameters),
              new Function<TypeVariable<?>, TypeParameterSignature>() {
                @Override
                public TypeParameterSignature apply(TypeVariable<?> from) {
                  return new TypeParameterSignature(from);

    TypeToken<?> parameterType = parameters.get(0).getType();
    Type[] typeArgs = ((ParameterizedType) parameterType.getType()).getActualTypeArguments();
    assertThat(typeArgs).asList().hasSize(1);
    TypeVariable<?> captured = (TypeVariable<?>) typeArgs[0];
    assertThat(captured.getBounds()).asList().containsExactly(Object.class);
    assertThat(new TypeToken<List<?>>() {}.isSupertypeOf(parameterType)).isTrue();
  }

    TypeToken<?> parameterType = parameters.get(0).getType();
    Type[] typeArgs = ((ParameterizedType) parameterType.getType()).getActualTypeArguments();
    assertThat(typeArgs).asList().hasSize(1);
    TypeVariable<?> captured = (TypeVariable<?>) typeArgs[0];
    assertThat(captured.getBounds()).asList().containsExactly(Object.class);
    assertThat(new TypeToken<List<?>>() {}.isSupertypeOf(parameterType)).isTrue();
  }

import java.lang.reflect.Constructor;
import java.lang.reflect.GenericDeclaration;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.TypeVariable;
import java.util.Collections;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit tests for {@link Invokable}.
 *
 * @author Ben Yu
 */

import java.lang.reflect.Constructor;
import java.lang.reflect.GenericDeclaration;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.TypeVariable;
import java.util.Collections;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit tests for {@link Invokable}.
 *
 * @author Ben Yu
 */