module OAuth2
class Authenticator
include OAuth2::FilteredAttributes

attr_reader mode: (Symbol | String)
attr_reader id: String?
attr_reader secret: String?

def initialize: (String? id, String? secret, (Symbol | String) mode) -> void

def apply: (Hash[untyped, untyped]) -> Hash[untyped, untyped]

def self.encode_basic_auth: (String, String) -> String

private

def apply_params_auth: (Hash[untyped, untyped]) -> Hash[untyped, untyped]
def apply_client_id: (Hash[untyped, untyped]) -> Hash[untyped, untyped]
def apply_basic_auth: (Hash[untyped, untyped]) -> Hash[untyped, untyped]
def basic_auth_header: () -> Hash[String, String]   end end