In cases of failure this field may contain an array of strings further describing the origin of the failure.
Create an exception with class klass and message
Determines whether there was an error and raises the appropriate error based on the reply code of the response
Ensures the root of chain has a trusted certificate in trust_dir and the digests of the two certificates match according to digester
Add a certificate to trusted certificate list.
Returns a copy of str with leading prefix deleted.
"hello".delete_prefix("hel") #=> "lo" "hello".delete_prefix("llo") #=> "hello"
Deletes leading prefix from str, returning nil if no change was made.
"hello".delete_prefix!("hel") #=> "lo" "hello".delete_prefix!("llo") #=> nil