codeChallengeMethodsSupported
@SerialName(value = "code_challenge_methods_supported")
OPTIONAL. JSON array containing a list of Proof Key for Code Exchange (PKCE) RFC7636
code challenge methods supported by this authorization server. Code challenge method values are used in the "code_challenge_method" parameter defined in Section 4.3 of RFC7636
. The valid code challenge method values are those registered in the IANA "PKCE Code Challenge Methods" registry IANA.OAuth.Parameters
. If omitted, the authorization server does not support PKCE.