OptionalsetIsSelfAccepting: booleanOptionalseen: Set<EnvironmentModuleNode>Optionaltimestamp: numberOptionalisHmr: booleanOptionalsoftInvalidate: booleanOptionalstaticImportedUrls: Set<string>Subset of importedModules where they're statically imported in code.
This is only used for soft invalidations so undefined is fine but may cause more runtime processing.
Update the module graph based on a module's updated imports information If there are dependencies that no longer have any importers, they are returned as a Set.