import { LitElement } from 'lit';
import * as monaco from 'monaco-editor';
export type EditorInstance = monaco.editor.IStandaloneCodeEditor | monaco.editor.IStandaloneDiffEditor;
/**
 * @fires {CustomEvent<{monaco?: Monaco; editor?: EditorInstance}>} editorInitialized - Fires when the editor is initialized.
 */
export declare abstract class EditorBase<T extends EditorInstance> extends LitElement {
    static styles: import("lit").CSSResult[];
    /**
     * @internal
     */
    protected abstract readonly PROPERTY_CHANGE_HANDLER_DICT: {
        [propertyName: string]: (value: unknown) => void;
    };
    /**
     * @internal
     */
    protected readonly innerContainerRef: import("lit/directives/ref.js").Ref<HTMLDivElement>;
    /**
     * After component loaded, the `Monaco` instance can be obtained using this property.
     */
    get monaco(): typeof monaco;
    /**
     * After component loaded, the editor instance can be obtained using this property.
     */
    editor?: T;
    /**
     * The `options` for the editor.
     */
    abstract options?: monaco.editor.IEditorOptions;
    firstUpdated(): void;
    shouldUpdate(changedProperties: Map<string, unknown>): boolean;
    render(): import("lit").TemplateResult<1>;
    protected initializeEditor(): Promise<void>;
    protected loadMonaco(): Promise<void>;
    protected defineEvents(): void;
    protected abstract loadEditor(editorContainer?: HTMLDivElement): Promise<void>;
}