/*******************************************************************************
 * Copyright (c) 2016-2017 Pivotal, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Pivotal, Inc. - initial API and implementation
 *******************************************************************************/
package org.springframework.ide.vscode.bosh;

import java.io.IOException;

import org.springframework.ide.vscode.bosh.models.BoshCommandCloudConfigProvider;
import org.springframework.ide.vscode.bosh.models.BoshCommandStemcellsProvider;
import org.springframework.ide.vscode.commons.languageserver.LaunguageServerApp;

public class Main {
	public static void main(String[] args) throws IOException, InterruptedException {
		LaunguageServerApp.start(() -> new BoshLanguageServer(
				new BoshCommandCloudConfigProvider(),
				new BoshCommandStemcellsProvider()
		));
	}
}

/*******************************************************************************
 * Copyright (c) 2016-2017 Pivotal, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Pivotal, Inc. - initial API and implementation
 *******************************************************************************/
package org.springframework.ide.vscode.bosh;

import java.io.IOException;

import org.springframework.ide.vscode.bosh.models.BoshCommandCloudConfigProvider;
import org.springframework.ide.vscode.commons.languageserver.LaunguageServerApp;

public class Main {
	public static void main(String[] args) throws IOException, InterruptedException {
		LaunguageServerApp.start(() -> new BoshLanguageServer(
				new BoshCommandCloudConfigProvider(),
				(dc) -> null //TODO: real model provider here!
		));
	}
}

--- 
+++ 
@@ -13,13 +13,14 @@
 import java.io.IOException;
 
 import org.springframework.ide.vscode.bosh.models.BoshCommandCloudConfigProvider;
+import org.springframework.ide.vscode.bosh.models.BoshCommandStemcellsProvider;
 import org.springframework.ide.vscode.commons.languageserver.LaunguageServerApp;
 
 public class Main {
 	public static void main(String[] args) throws IOException, InterruptedException {
 		LaunguageServerApp.start(() -> new BoshLanguageServer(
 				new BoshCommandCloudConfigProvider(),
-				(dc) -> null //TODO: real model provider here!
+				new BoshCommandStemcellsProvider()
 		));
 	}
 }
Add BoshCommandStemcellsProvider properly to Bosh language server