diff --git a/src/backend/mi2/mi2.ts b/src/backend/mi2/mi2.ts
index 18bd5ca..944aeb8 100644
--- a/src/backend/mi2/mi2.ts
+++ b/src/backend/mi2/mi2.ts
@@ -503,7 +503,7 @@ export class MI2 extends EventEmitter implements IBackend {
 			this.log("stderr", "addBreakPoint");
 		return new Promise((resolve, reject) => {
 			if (this.breakpoints.has(breakpoint))
-				return resolve(false);
+				return resolve([false, undefined]);
 			let location = "";
 			if (breakpoint.countCondition) {
 				if (breakpoint.countCondition[0] == ">")
diff --git a/src/gdb.ts b/src/gdb.ts
index d4d0682..4dd479a 100644
--- a/src/gdb.ts
+++ b/src/gdb.ts
@@ -4,7 +4,7 @@ import { DebugProtocol } from 'vscode-debugprotocol';
 import { MI2 } from "./backend/mi2/mi2";
 import { SSHArguments, ValuesFormattingMode } from './backend/backend';
 
-export interface LaunchRequestArguments {
+export interface LaunchRequestArguments extends DebugProtocol.LaunchRequestArguments {
 	cwd: string;
 	target: string;
 	gdbpath: string;
@@ -19,7 +19,7 @@ export interface LaunchRequestArguments {
 	showDevDebugOutput: boolean;
 }
 
-export interface AttachRequestArguments {
+export interface AttachRequestArguments extends DebugProtocol.AttachRequestArguments {
 	cwd: string;
 	target: string;
 	gdbpath: string;
diff --git a/src/lldb.ts b/src/lldb.ts
index 28a92e8..bbef2dd 100644
--- a/src/lldb.ts
+++ b/src/lldb.ts
@@ -4,7 +4,7 @@ import { DebugProtocol } from 'vscode-debugprotocol';
 import { MI2_LLDB } from "./backend/mi2/mi2lldb";
 import { SSHArguments, ValuesFormattingMode } from './backend/backend';
 
-export interface LaunchRequestArguments {
+export interface LaunchRequestArguments extends DebugProtocol.LaunchRequestArguments {
 	cwd: string;
 	target: string;
 	lldbmipath: string;
@@ -18,7 +18,7 @@ export interface LaunchRequestArguments {
 	showDevDebugOutput: boolean;
 }
 
-export interface AttachRequestArguments {
+export interface AttachRequestArguments extends DebugProtocol.AttachRequestArguments {
 	cwd: string;
 	target: string;
 	lldbmipath: string;
diff --git a/src/mago.ts b/src/mago.ts
index e06c3e1..2aca54c 100644
--- a/src/mago.ts
+++ b/src/mago.ts
@@ -4,7 +4,7 @@ import { DebugProtocol } from 'vscode-debugprotocol';
 import { MI2_Mago } from "./backend/mi2/mi2mago";
 import { SSHArguments, ValuesFormattingMode } from './backend/backend';
 
-export interface LaunchRequestArguments {
+export interface LaunchRequestArguments extends DebugProtocol.LaunchRequestArguments {
 	cwd: string;
 	target: string;
 	magomipath: string;
@@ -17,7 +17,7 @@ export interface LaunchRequestArguments {
 	showDevDebugOutput: boolean;
 }
 
-export interface AttachRequestArguments {
+export interface AttachRequestArguments extends DebugProtocol.AttachRequestArguments {
 	cwd: string;
 	target: string;
 	magomipath: string;