configFileExistenceImpactsRootOfInferredProject(configFileExistenceInfo) {
    return configFileExistenceInfo.openFilesImpactedByConfigFile && forEachEntry(configFileExistenceInfo.openFilesImpactedByConfigFile, identity);
  }
Returns true if the configFileExistenceInfo is needed/impacted by open files that are root of inferred project