import { InjectionToken } from "@angular/core";
export type PlatformService = Partial<CompletePlatformService>;
export declare const PLATFORM_SERVICE: InjectionToken<Partial<CompletePlatformService>>;
/**
 * Extend this service to implement custom platform.
 */
export interface CompletePlatformService {
    /**
     * Returns the Angular Version.
     * Returns null when it couldn't be retrieved
     */
    getNgVersion(): number | null;
    /**
     * Sanitizes a string of arbitrary html content to be safe for use in innerHTML
     * Returns the sanitized html string
     * @param content The content to be sanitized.
     */
    sanitize(content: string): string;
    /**
     * Creates an element and returns it
     * @param tagName The name of the element
     */
    createElement(tagName: string): any;
    /**
     * Given two elements, return a number indicating which one comes first
     * @param a - The first element
     * @param b - The second element
     * @returns - 1 if b comes before a, -1 if a comes before b, 0 if equivalent
     */
    sortElements(a: any, b: any): number;
    /**
     * Return a shallow clone of an element (just the element itself, not its children)
     *
     * @param element - The element to clone
     */
    cloneElement(element: any): any;
    /**
     * Returns the tag name of an element
     * @param element An element
     */
    getTagName(element: any): string;
    /**
     * Returns the opening tag of an element as a string
     * @param element An element
     */
    getOpeningTag(element: any): string;
    /**
     * Returns the closing tag of an element as a string
     * @param element An element
     */
    getClosingTag(element: any): string;
    /**
     * Returns the names of all existing attributes of an element
     * Return an emtpy array if none exist
     * @param element The element
     */
    getAttributeNames(element: any): string[];
    /**
     * Returns the value of an element attribute.
     * Returns null when the attribute doesn't exist
     * @param element The element
     * @param attributeName Attribute Name
     */
    getAttribute(element: any, attributeName: string): string | null;
    /**
     * Sets the value of an element attribute.
     * @param element The element
     * @param attributeName Attribute Name
     * @param value The attribute value
     */
    setAttribute(element: any, attributeName: string, value: string): void;
    /**
     * Removes the value of an element attribute.
     * @param element The element
     * @param attributeName Attribute Name
     */
    removeAttribute(element: any, attributeName: string): void;
    /**
     * Returns the parent of a node.
     * Returns null when a parent node doesn't exist
     * @param parentany The parent element
     */
    getParentNode(parentNode: any): any | null;
    /**
     * Returns child elements of a parent element that match a certain css selector
     * Returns an empty array of none could be found
     * @param parentElement The parent element
     * @param selector A css-style selector (like "div.myClass")
     */
    querySelectorAll(parentElement: any, selector: string): any[];
    /**
     * Returns an array of child nodes.
     * Returns an empty array if none exist
     * @param parentNode A node
     */
    getChildNodes(parentNode: any): any[];
    /**
     * Appends a child node to a parent.
     * @param parentNode The parent node
     * @param childNode The child node to be removed
     */
    appendChild(parentNode: any, childNode: any): void;
    /**
     * Inserts a child node before another child node of a parent node.
     * @param parentNode The parent node
     * @param childNode The child node to be inserted
     * @param referenceNode The existing node before which childNode is inserted
     */
    insertBefore(parentNode: any, childNode: any, referenceNode: any): void;
    /**
    * Removes all child nodes from a parent node.
    * @param parentNode The parent node
    */
    clearChildNodes(parentNode: any): void;
    /**
     * Removes a child node from its parent.
     * @param parentNode The parent node
     * @param childNode The child node to be removed
     */
    removeChild(parentNode: any, childNode: any): void;
    /**
     * Returns the inner content of an element (like HTMLElement.innerHTML)
     * @param element An element
     */
    getInnerContent(element: any): string;
    /**
     * Sets the content of an element.
     * @param element An element
     * @param content The element content
     */
    setInnerContent(element: any, content: string): void;
    /**
     * Returns a boolean determining whether an element is a text node or not
     * @param element An element
     */
    isTextNode(element: any): boolean;
    /**
    * Creates a text node and returns it
    * @param content The text content of the node
    */
    createTextNode(content: string): any;
    /**
     * Returns the pure text content of an element (like Node.textContent)
     * @param element An element
     */
    getTextContent(element: any): string | null;
    /**
     * Dispatches a event from an element
     * @param element The element
     * @param name The event name
     * @param payload The event content
     */
    dispatchEvent(element: any, name: string, payload: any): void;
}