hunk.code_window: export function concat<O1 extends ObservableInput<any>>(v1: O1, scheduler: SchedulerLike): Observable<ObservedValueOf<O1>>;
   /** @deprecated Use {@link scheduled} and {@link concatAll} (e.g. `scheduled([o1, o2, o3], scheduler).pipe(concatAll())`) */
   export function concat<O1 extends ObservableInput<any>, O2 extends ObservableInput<any>>(v1: O1, v2: O2, scheduler: SchedulerLike): Observable<ObservedValueOf<O1> | ObservedValueOf<O2>>;
  
hunk.labels: keep replace keep
hunk.after_edit: /** @deprecated remove in v8. Passing a scheduler to concat is deprecated, please use {@link scheduled} and {@link concatAll} `scheduled([o1, o2], scheduler).pipe(concatAll())` */
  
hunk.file_path: src/internal/observable/concat.ts
hunk.type: replace
file: var yaml = require('yaml-js');
  var fs = require('fs');
  var inFilename = process.argv[2];
  var outFilename = process.argv[3];
  var yamlContent = fs.readFileSync(inFilename, 'utf8');
  var jsonContent = yaml.load(yamlContent);
  fs.writeFileSync(outFilename, JSON.stringify(jsonContent, null, '  '), 'utf8');
  