import { IExampleInfo, IExtraLibInfo, ICodeSnippetInfo } from "./PlaygroundConfig";
import "monaco-editor/esm/vs/basic-languages/javascript/javascript";
import "monaco-editor/esm/vs/basic-languages/typescript/typescript";
import "monaco-editor/esm/vs/language/typescript/tsMode";
/**
 * The IPlaygroundExtension interface represents an object that provides additional features to the
 * playground. These features include custom code snippets, help items and others.
 */
export interface IPlaygroundExtension {
    /**
     * Returns a list of extra library objects providing information about type files that will
     * be added to the editor for type checking.
     */
    getExtraLibs(): IExtraLibInfo[];
    /**
     * Returns a list of examples.
     */
    getExamples(): IExampleInfo[];
    /**
     * Returns a list of code snippets. Extensions can provide regular template-based snippets, but
     * they can also implement custom snippets with arbitrary UI.
     */
    getCodeSnippets(): ICodeSnippetInfo[];
}
/**
 * The IPlaygroundExtnsionClass interface represents a constructor that creates IPlaygroundExtension
 * objects.
 */
export interface IPlaygroundExtensionClass {
    new (): IPlaygroundExtension;
    /** User friendly extension name */
    readonly displayName: string;
}
/**
 * Registers the given extensions
 * @param extensionClass Constuctor interface representing the extension class.
 * @returns True if the extension was successfully registered and false otherwise. False is
 * returned if the extension tries to register itself multiple times.
 */
export declare function registerExtension(extensionClass: IPlaygroundExtensionClass): boolean;