@rimbu/stream@rimbu/stream/customIndexedIterator<T>On this pageclass IndexedIterator<T>undocumentedExtends: FastIteratorBase<T>Type parametersNameDescriptionTundocumentedPropertiesindexundocumentedDefinitionindex: number;sourceundocumentedDefinitionreadonly source: FastIterator<T>;startIndexundocumentedDefinitionreadonly startIndex: number;MethodsfastNextundocumentedDefinitionfastNext<O>(otherwise?: OptLazy<O> |undefined): [number, T]| O;Type parametersNameDescriptionOParametersNameTypeDescriptionotherwiseOptLazy<O> | undefinedOverridesFastIteratorBase.fastNextnextundocumentedDefinitionnext(): IteratorResult<T>;OverridesFastIteratorBase.next