src/vs/workbench/contrib/debug/browser/debugSession.ts/DebugSession/addReplExpression
class DebugSession:	async addReplExpression(stackFrame: IStackFrame | undefined, name: string): Promise<void> {
		await this.repl.addReplExpression(this, stackFrame, name);
		// Evaluate all watch expressions and fetch variables again since repl evaluation might have changed some.
		this.debugService.getViewModel().updateViews();
	}