fix return types to interfaces

src/vs/workbench/parts/debug/common/debugModel.ts

@@ -851,7 +851,7 @@ export class Model implements IModel {
 		return thread.fetchCallStack();
 	}
 
-	public getBreakpoints(): Breakpoint[] {
+	public getBreakpoints(): IBreakpoint[] {
 		return this.breakpoints;
 	}
 
@@ -882,7 +882,7 @@ export class Model implements IModel {
 		this._onDidChangeBreakpoints.fire();
 	}
 
-	public addBreakpoints(uri: uri, rawData: IBreakpointData[], fireEvent = true): Breakpoint[] {
+	public addBreakpoints(uri: uri, rawData: IBreakpointData[], fireEvent = true): IBreakpoint[] {
 		const newBreakpoints = rawData.map(rawBp => new Breakpoint(uri, rawBp.lineNumber, rawBp.column, rawBp.enabled, rawBp.condition, rawBp.hitCondition, rawBp.logMessage, undefined, rawBp.id));
 		this.breakpoints = this.breakpoints.concat(newBreakpoints);
 		this.breakpointsActivated = true;
@@ -987,7 +987,7 @@ export class Model implements IModel {
 		this._onDidChangeBreakpoints.fire({ changed: changed });
 	}
 
-	public addFunctionBreakpoint(functionName: string, id: string): FunctionBreakpoint {
+	public addFunctionBreakpoint(functionName: string, id: string): IFunctionBreakpoint {
 		const newFunctionBreakpoint = new FunctionBreakpoint(functionName, true, undefined, undefined, undefined, id);
 		this.functionBreakpoints.push(newFunctionBreakpoint);
 		this._onDidChangeBreakpoints.fire({ added: [newFunctionBreakpoint] });