src/vs/workbench/contrib/debug/browser/debugService.ts/DebugService/onFileChanges
class DebugService:	private onFileChanges(fileChangesEvent: FileChangesEvent): void {
		const toRemove = this.model.getBreakpoints().filter(bp =>
			fileChangesEvent.contains(bp.uri, FileChangeType.DELETED));
		if (toRemove.length) {
			this.model.removeBreakpoints(toRemove);
		}

		const toSend: URI[] = [];
		for (const uri of this.breakpointsToSendOnResourceSaved) {
			if (fileChangesEvent.contains(uri, FileChangeType.UPDATED)) {
				toSend.push(uri);
			}
		}

		for (const uri of toSend) {
			this.breakpointsToSendOnResourceSaved.delete(uri);
			this.sendBreakpoints(uri, true);
		}
	}