How to use the typescript-language-server/lib/commands.Commands.APPLY_COMPLETION_CODE_ACTION function in typescript-language-server

QuickPickService, KeybindingRegistry, KeybindingContribution, QuickPickItem, StorageService, LabelProvider, FrontendApplicationContribution, StatusBar, StatusBarAlignment
} from '@theia/core/lib/browser';
import { ExecuteCommandRequest } from '@theia/languages/lib/browser';
import { FileSystemWatcher, FileMoveEvent } from '@theia/filesystem/lib/browser';
import { EditorManager, EditorWidget, EDITOR_CONTEXT_MENU, TextEditor } from '@theia/editor/lib/browser';
import { CommandContribution, CommandRegistry, Command, MenuModelRegistry, MenuContribution, DisposableCollection } from '@theia/core/lib/common';
import { MonacoEditor } from '@theia/monaco/lib/browser/monaco-editor';
import { TYPESCRIPT_LANGUAGE_ID, TS_JS_LANGUAGES } from '../common';
import { TypeScriptClientContribution, TypescriptContributionData } from './typescript-client-contribution';
import { TypeScriptKeybindingContexts } from './typescript-keybinding-contexts';
import { TypescriptVersion } from '../common/typescript-version-service';
import URI from '@theia/core/lib/common/uri';

export namespace TypeScriptCommands {
    export const applyCompletionCodeAction: Command = {
        id: Commands.APPLY_COMPLETION_CODE_ACTION
    };
    // TODO: get rid of me when https://github.com/TypeFox/monaco-languageclient/issues/104 is resolved
    export const organizeImports: Command = {
        category: 'TypeScript',
        label: 'Organize Imports',
        id: 'typescript.edit.organizeImports'
    };
    export const openServerLog: Command = {
        category: 'TypeScript',
        label: 'Open Server Log',
        id: 'typescript.server.openLog'
    };
    export const selectVersion: Command = {
        category: 'TypeScript',
        label: 'Select Version',
        id: 'typescript.selectVersion'