ed by an empty record (<tt>length == 0</tt>) of the stream
type.  The <tt>contentData</tt> components of a stream's records, when
concatenated, form a byte sequence; this byte sequence is the value of
the stream.  Therefore the value of a stream is independent of how
many records it contains or how its bytes are divided among the
non-empty records.<p>

These two classifications are independent.  Among the
record types defined in this version of the FastCGI protocol,
all management record types are also disc