This class provides an interface to reading the extended tile metric file:

The file format for extended tile metrics is as follows:

Header

illumina::interop::io::metric_format_stream (Class that parses this information)

    byte 0: version number (2)
    byte 1: record size (10)

n-Records

illumina::interop::io::layout::base_metric (Class that parses this information)

    2 bytes: lane number (uint16)
    4 bytes: tile number (uint32)

illumina::interop::io::generic_layout<extended_tile_metric, 2> (Class that parses this information)

    4 bytes: cluster count occupied (float32)