HTTPStatusCode returns the attribute for the HTTP status code.

SplitHostPort splits a network address hostport of the form "host", "host%zone", "[host]", "[host%zone], "host:port", "host%zone:port", "[host]:port", "[host%zone]:port", or ":port" into host or host%zone and port.

OTelSemConvStabilityOptIn is an environment variable.