compound-binary-file-js/dist/stream/StreamReader.d.ts

This is an implementation of [Compound Binary File v.3](https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-cfb/53989ce4-7b05-4f8d-829b-d08d6148375b) \ Allows reading existing files, creation of the/write operation

export interface StreamReader {
    read(startingSector: number, lengthOrFromIncl: number, toExcl?: number): number[];
}