return new String(buf);
    }

    private static String getSignature(final Class<?>... paramTypes) {
        if (paramTypes == null || paramTypes.length == 0) {
            return "";
        }
        final StringBuilder buf = new StringBuilder(100);
        for (final Class<?> type : paramTypes) {
            if (type != null) {
                buf.append(type.getName());
            } else {

            final Class<?>[] paramTypes = constructor.getParameterTypes();
            assertEquals("Constructor should have one parameter", 1, paramTypes.length);
            assertEquals("Parameter should be Context type", Context.class, paramTypes[0]);
        } catch (final NoSuchMethodException e) {
            fail("Constructor with Context parameter should exist");

    /**
     * Returns the {@link ConstructorDesc} for the given parameter types.
     *
     * @param paramTypes
     *            The array of parameter types for the constructor
     * @return The {@link ConstructorDesc} for the given parameter types
     */
    ConstructorDesc getConstructorDesc(Class<?>... paramTypes);

    /**
     * Returns the {@link ConstructorDesc} that matches the given arguments.
     *

            Class<?>[] paramTypes = new Class<?>[params.length];
            for (int i = 0; i < params.length; i++) {
                if (params[i] instanceof byte[]) {
                    paramTypes[i] = byte[].class;
                } else if (params[i] instanceof Integer) {
                    paramTypes[i] = int.class; // Use primitive int.class instead of Integer.class

    Type returnType = method.getGenericReturnType();
    Type paramType = getOnlyParameterType();
    TestSubtype spec = method.getAnnotation(TestSubtype.class);
    assertWithMessage("%s is subtype of %s", paramType, returnType)
        .that(TypeToken.of(paramType).isSubtypeOf(returnType))
        .isTrue();
    assertWithMessage("%s is supertype of %s", returnType, paramType)
        .that(TypeToken.of(returnType).isSupertypeOf(paramType))

        final byte[] paramBytes = params.getBytes(SmbConstants.DEFAULT_OEM_ENCODING);
        byte[] buffer = new byte[10 + paramBytes.length + dataLen];
        // copy params
        System.arraycopy(paramBytes, 0, buffer, 10, paramBytes.length);
        // copy data
        System.arraycopy(dataBytes, 0, buffer, 10 + paramBytes.length, Math.min(dataBytes.length, dataLen));
        return buffer;

        int setupBytes = transaction.writeSetupWireFormat(buffer, 0);
        assertEquals(2, setupBytes, "writeSetupWireFormat should return expected bytes");

        int paramBytes = transaction.writeParametersWireFormat(buffer, 0);
        assertEquals(20, paramBytes, "writeParametersWireFormat should return expected bytes");

        int dataBytes = transaction.writeDataWireFormat(buffer, 0);

    FreshValueGenerator paramValues = new FreshValueGenerator();
    List<@Nullable Object> passedArgs = new ArrayList<>();
    for (Class<?> paramType : method.getParameterTypes()) {
      passedArgs.add(paramValues.generateFresh(paramType));
    }
    return passedArgs.toArray();
  }

  /** Tests a single interaction against a method. */

    FreshValueGenerator paramValues = new FreshValueGenerator();
    List<@Nullable Object> passedArgs = new ArrayList<>();
    for (Class<?> paramType : method.getParameterTypes()) {
      passedArgs.add(paramValues.generateFresh(paramType));
    }
    return passedArgs.toArray();
  }

  /** Tests a single interaction against a method. */