List of algorithms supported by client.
Returns the checksum algorithm to use for the request, along with the priority array of location to use to populate checksum and names to be used as a key at the location.
Returns the priority array of algorithm to use to verify checksum and names to be used as a key in the response header.
Returns location (header/trailer) name to use to populate checksum in.
Returns true if header is present in headers. Comparisons are case-insensitive.
Returns true if the given value is a streaming response.
A function that, given a hash constructor and a string, calculates the hash of the string.