substitute(sp, callback);
        sp.forEach(properties::setProperty);
    }

    public static void substitute(MavenProperties props, UnaryOperator<String> callback) {
        for (Enumeration<?> e = props.propertyNames(); e.hasMoreElements(); ) {
            String name = (String) e.nextElement();
            String value = props.getProperty(name);
            if (value == null) {
                value = callback.apply(name);

    ImmutableMap.Builder<String, String> builder = ImmutableMap.builder();

    for (Enumeration<?> e = properties.propertyNames(); e.hasMoreElements(); ) {
      /*
       * requireNonNull is safe because propertyNames contains only non-null elements.
       *
       * Accordingly, we have it annotated as returning `Enumeration<? extends Object>` in our

    ImmutableMap.Builder<String, String> builder = ImmutableMap.builder();

    for (Enumeration<?> e = properties.propertyNames(); e.hasMoreElements(); ) {
      /*
       * requireNonNull is safe because propertyNames contains only non-null elements.
       *
       * Accordingly, we have it annotated as returning `Enumeration<? extends Object>` in our

        return __modifiedProperties.getPropertyNames();
    }

    public void mymodifyProperty(String propertyName) {
        registerModifiedProperty(propertyName);
    }

    public void mymodifyPropertyCancel(String propertyName) {
        __modifiedProperties.remove(propertyName);
    }

    public void clearModifiedInfo() {
        __modifiedProperties.clear();
    }

        super("ECL0097", asArray(propertyName, value, cause), cause);
        this.propertyName = propertyName;
        this.value = value;
    }

    /**
     * Returns the property name.
     *
     * @return Property name
     */
    public String getPropertyName() {
        return propertyName;
    }

    /**

    private final List<ReplacedAccessor> replacedAccessors;

    public UpgradedProperty(String containingType, String propertyName, String methodName, String methodDescriptor, List<ReplacedAccessor> replacedAccessors) {
        this.containingType = containingType;
        this.propertyName = propertyName;
        this.methodName = methodName;
        this.methodDescriptor = methodDescriptor;

        return __modifiedProperties.getPropertyNames();
    }

    public void mymodifyProperty(String propertyName) {
        registerModifiedProperty(propertyName);
    }

    public void mymodifyPropertyCancel(String propertyName) {
        __modifiedProperties.remove(propertyName);
    }

    public void clearModifiedInfo() {
        __modifiedProperties.clear();
    }

        return __modifiedProperties.getPropertyNames();
    }

    public void mymodifyProperty(String propertyName) {
        registerModifiedProperty(propertyName);
    }

    public void mymodifyPropertyCancel(String propertyName) {
        __modifiedProperties.remove(propertyName);
    }

    public void clearModifiedInfo() {
        __modifiedProperties.clear();
    }

    }

    @Override
    public boolean hasPropertyDesc(final String propertyName) {
        assertArgumentNotEmpty("propertyName", propertyName);

        return propertyDescCache.get(propertyName) != null;
    }

    @Override
    public PropertyDesc getPropertyDesc(final String propertyName) {
        assertArgumentNotEmpty("propertyName", propertyName);

        final PropertyDesc pd = propertyDescCache.get(propertyName);

     */
    public void setProperty(Object bean, String propertyName, Class<?> valueType, PlexusConfiguration configuration)
            throws ComponentConfigurationException {

        Class<?> beanType = bean.getClass();

        // Try setter/adder methods first
        MethodInfo methodInfo = findCachedMethod(beanType, propertyName, valueType);
        if (methodInfo != null) {
            try {