src/vs/workbench/api/common/extHostDebugService.ts/ExtHostDebugServiceBase/fireBreakpointChanges
class ExtHostDebugServiceBase:	private fireBreakpointChanges(added: vscode.Breakpoint[], removed: vscode.Breakpoint[], changed: vscode.Breakpoint[]) {
		if (added.length > 0 || removed.length > 0 || changed.length > 0) {
			this._onDidChangeBreakpoints.fire(Object.freeze({
				added,
				removed,
				changed,
			}));
		}
	}