(sinks: Object | null)
| 264 | } |
| 265 | |
| 266 | function sinksAreXStream(sinks: Object | null): boolean { |
| 267 | if (sinks === null) { |
| 268 | return false; |
| 269 | } |
| 270 | for (let key in sinks) { |
| 271 | if (sinks.hasOwnProperty(key)) { |
| 272 | if (sinks[key] && typeof sinks[key].setDebugListener !== 'function') { |
| 273 | return false; |
| 274 | } |
| 275 | } |
| 276 | } |
| 277 | return true; |
| 278 | } |
| 279 | |
| 280 | interface GraphSerializerSources { |
| 281 | id: Stream<string>; |