if (!Collection.class.isAssignableFrom(parameterTypes[index]) || !isParameterized(index)) {
            return null;
        }
        final ParameterizedClassDesc pcd = parameterizedClassDescs[index].getArguments()[0];
        if (pcd == null) {
            return null;
        }
        return pcd.getRawClass();
    }

    @Override
    public Class<?> getKeyClassOfMap(final int index) {

        if (!Collection.class.isAssignableFrom(fieldType) || !isParameterized()) {
            return null;
        }
        final ParameterizedClassDesc pcd = parameterizedClassDesc.getArguments()[0];
        if (pcd == null) {
            return null;
        }
        return pcd.getRawClass();
    }

    @Override
    public Class<?> getKeyClassOfMap() {

        if (!Collection.class.isAssignableFrom(propertyType) || !isParameterized()) {
            return null;
        }
        final ParameterizedClassDesc pcd = parameterizedClassDesc.getArguments()[0];
        if (pcd == null) {
            return null;
        }
        return pcd.getRawClass();
    }

    @Override
    public Class<?> getKeyClassOfMap() {

     * </p>
     *
     * @return an array of {@link ParameterizedClassDesc} representing the type arguments
     * @see ParameterizedType#getActualTypeArguments()
     */
    ParameterizedClassDesc[] getArguments();

        if (objectExpr instanceof VariableExpression && ((VariableExpression) objectExpr).getName().equals("result")) {
            String arg = AstUtil.getNodeText(call.getArguments(), getSourceCode());
            addViolation(call, "Should use outputContains(" + arg + ") or failure.assertHasCause(" + arg + ") instead");
        }
    }

     */
    public void setRawClass(final Class<?> rawClass) {
        assertArgumentNotNull("rawClass", rawClass);

        this.rawClass = rawClass;
    }

    @Override
    public ParameterizedClassDesc[] getArguments() {
        return arguments;
    }

    /**
     * Sets an array of {@link ParameterizedClassDesc} representing type arguments.
     *
     * @param arguments