How to use the inferno._M function in inferno

} else if (parentNode.childNodes.length !== 1 || currentNode.nodeType !== 3) {
        parentNode.textContent = children as string;
      } else {
        if (currentNode.nodeValue !== children) {
          currentNode.nodeValue = children as string;
        }
      }
      currentNode = null;
    } else if (childFlags & ChildFlags.MultipleChildren) {
      let prevVNodeIsTextNode = false;

      for (let i = 0, len = (children as VNode[]).length; i < len; ++i) {
        const child = (children as VNode[])[i];

        if (isNull(currentNode) || (prevVNodeIsTextNode && (child.flags & VNodeFlags.Text) > 0)) {
          _M(child as VNode, parentNode, context, isSVG, currentNode, lifecycle);
        } else {
          currentNode = hydrateVNode(child as VNode, parentNode, currentNode as Element, context, isSVG, lifecycle);
          currentNode = currentNode ? currentNode.nextSibling : null;
        }

        prevVNodeIsTextNode = (child.flags & VNodeFlags.Text) > 0;
      }
    }

    // clear any other DOM nodes, there should be only a single entry for the root
    if ((flags & VNodeFlags.Fragment) === 0) {
      let nextSibling: Node | null = null;

      while (currentNode) {
        nextSibling = currentNode.nextSibling;
        parentNode.removeChild(currentNode);

function hydrateChildren(parentVNode: VNode, parentNode, currentNode, context, isSVG, lifecycle: Function[]) {
  const childFlags = parentVNode.childFlags;
  const children = parentVNode.children;
  const props = parentVNode.props;
  const flags = parentVNode.flags;

  if (childFlags !== ChildFlags.HasInvalidChildren) {
    if (childFlags === ChildFlags.HasVNodeChildren) {
      if (isNull(currentNode)) {
        _M(children as VNode, parentNode, context, isSVG, null, lifecycle);
      } else {
        currentNode = hydrateVNode(children as VNode, parentNode, currentNode as Element, context, isSVG, lifecycle);
        currentNode = currentNode ? currentNode.nextSibling : null;
      }
    } else if (childFlags === ChildFlags.HasTextChildren) {
      if (isNull(currentNode)) {
        parentNode.appendChild(document.createTextNode(children as string));
      } else if (parentNode.childNodes.length !== 1 || currentNode.nodeType !== 3) {
        parentNode.textContent = children as string;
      } else {
        if (currentNode.nodeValue !== children) {
          currentNode.nodeValue = children as string;
        }
      }
      currentNode = null;
    } else if (childFlags & ChildFlags.MultipleChildren) {