OptionalcreateProgram: CreateProgram<T>OptionalreportDiagnostic: DiagnosticReporterOptionalreportWatchStatus: WatchStatusReporterOptionalwatchOptionsToExtend: tsc.WatchOptionsOptionalextraFileExtensions: readonly FileExtensionInfo[]Create the watch compiler host for either configFile or fileNames and its options
OptionalcreateProgram: CreateProgram<T>OptionalreportDiagnostic: DiagnosticReporterOptionalreportWatchStatus: WatchStatusReporterOptionalprojectReferences: readonly ProjectReference[]OptionalwatchOptions: tsc.WatchOptions
Create the watch compiler host for either configFile or fileNames and its options