claim_function_map :: %{binary => function}

claims :: %{binary => any}

error :: binary

json_module :: module

signer :: Joken.Signer.t

t :: %Joken.Token{json_module: module, claims: claims, claims_generation: claim_function_map, validations: claim_function_map, error: error, token: token, signer: signer}

token :: binary