import { RenderDom, VNode } from "./common";
import { ComponentInstance } from "./component";
export declare const _DOM_PRIVATE_LISTENERS_KEY = "_l";
/**
 * Get current component instance.
 */
export declare const getCurrentComponent: <GComponent extends ComponentInstance<object> = ComponentInstance<object>>() => GComponent;
/**
 * Get current diffing node for atomic updates
 */
export declare const getCurrentDiffingNode: () => VNode;
/**
 * Set dom attribute
 * @param dom dom element to set attributes on
 * @param name name of the attribute
 * @param value value of the attribute
 */
export declare function _setDomAttribute(dom: Element, name: string, value: any): void;
/**
 * Diff an element node and create its attached dom element.
 * @param newNode New node, can be the only argument to create dom element.
 * @param oldNode Old node, for diffing.
 * @param element for hydration only, the corresponding node already in document.
 */
export declare function _diffElement(newNode: VNode, oldNode: VNode, element?: RenderDom): RenderDom;
export declare function _diffAndMount(newNode: VNode, oldNode: VNode, element?: Element, forceUpdate?: boolean): void;
/**
 * Recursively update mount state of components associated to node.
 * Will browse every component to update the mounting state in correct order.
 * Will call mount / unmount / render extensions.
 * @param node The starting node.
 * @param doMount Mount, or unmount.
 */
export declare function recursivelyUpdateMountState(node: VNode, doMount: boolean): void;
/**
 * Diff all children, with or without keys.
 * @param newParentNode New parent node to diff
 * @param oldParentNode Old parent node to diff, can be null to create element with newParentNode
 * @param element Used for hydration only. If defined, will not diff but only hydrate.
 */
export declare function _diffChildren(newParentNode: VNode, oldParentNode: VNode, element: RenderDom): void;
/**
 * Diff a node.
 * @param newNode New node, can be the only parameter to only add.
 * @param oldNode Old node, if diffing.
 * @param element Dom element for hydration only.
 * @param forceUpdate For update to bypass shouldUpdate on components.
 */
export declare function diffNode(newNode: VNode, oldNode?: VNode, element?: RenderDom, forceUpdate?: boolean): void;