diff --git a/src/vs/platform/remote/common/remoteAuthorityResolver.ts b/src/vs/platform/remote/common/remoteAuthorityResolver.ts
index 2f1d402048479fd35fc500c3e5d873eb6ee7149b..4e770b08026dc544356e52674ae2eb0b6cd120de 100644
--- a/src/vs/platform/remote/common/remoteAuthorityResolver.ts
+++ b/src/vs/platform/remote/common/remoteAuthorityResolver.ts
@@ -17,8 +17,12 @@ export interface ResolvedOptions {
 	readonly extensionHostEnv?: { [key: string]: string | null };
 }
 
+export interface TunnelDescription {
+	remoteAddress: { port: number, host: string };
+	localAddress: string;
+}
 export interface TunnelInformation {
-	environmentTunnels?: { remoteAddress: { port: number, host: string }, localAddress: string }[];
+	environmentTunnels?: TunnelDescription[];
 	hideCandidatePorts?: boolean;
 }
 
diff --git a/src/vs/vscode.proposed.d.ts b/src/vs/vscode.proposed.d.ts
index 141ed91c941931753168ab3b3765af57d5fb6a5a..4ceee1bcfe4f17765fd4e33e13ca98a03d3533ed 100644
--- a/src/vs/vscode.proposed.d.ts
+++ b/src/vs/vscode.proposed.d.ts
@@ -40,10 +40,13 @@ declare module 'vscode' {
 		label?: string;
 	}
 
-	export interface Tunnel {
+	export interface TunnelDescription {
 		remoteAddress: { port: number, host: string };
 		//The complete local address(ex. localhost:1234)
 		localAddress: string;
+	}
+
+	export interface Tunnel extends TunnelDescription {
 		// Implementers of Tunnel should fire onDidDispose when dispose is called.
 		onDidDispose: Event<void>;
 		dispose(): void;
@@ -58,7 +61,7 @@ declare module 'vscode' {
 		 * The localAddress should be the complete local address (ex. localhost:1234) for connecting to the port. Tunnels provided through
 		 * detected are read-only from the forwarded ports UI.
 		 */
-		environmentTunnels?: { remoteAddress: { port: number, host: string }, localAddress: string }[];
+		environmentTunnels?: TunnelDescription[];
 
 		hideCandidatePorts?: boolean;
 	}
diff --git a/src/vs/workbench/services/remote/common/remoteExplorerService.ts b/src/vs/workbench/services/remote/common/remoteExplorerService.ts
index 8a94eeccd97b4d3af14eb5b62d3124f2b072e652..44b8f8815bd4babdc074ba360a82a43eecd2c0ca 100644
--- a/src/vs/workbench/services/remote/common/remoteExplorerService.ts
+++ b/src/vs/workbench/services/remote/common/remoteExplorerService.ts
@@ -11,7 +11,7 @@ import { ITunnelService, RemoteTunnel } from 'vs/platform/remote/common/tunnel';
 import { Disposable } from 'vs/base/common/lifecycle';
 import { IEditableData } from 'vs/workbench/common/views';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
-import { TunnelInformation } from 'vs/platform/remote/common/remoteAuthorityResolver';
+import { TunnelInformation, TunnelDescription } from 'vs/platform/remote/common/remoteAuthorityResolver';
 
 export const IRemoteExplorerService = createDecorator<IRemoteExplorerService>('remoteExplorerService');
 export const REMOTE_EXPLORER_TYPE_KEY: string = 'remote.explorerType';
@@ -172,7 +172,7 @@ export class TunnelModel extends Disposable {
 		return (this.forwarded.get(key) || this.detected.get(key))?.localAddress;
 	}
 
-	addEnvironmentTunnels(tunnels: { remoteAddress: { port: number, host: string }, localAddress: string }[]): void {
+	addEnvironmentTunnels(tunnels: TunnelDescription[]): void {
 		tunnels.forEach(tunnel => {
 			this.detected.set(MakeAddress(tunnel.remoteAddress.host, tunnel.remoteAddress.port), {
 				remoteHost: tunnel.remoteAddress.host,