Typed Inttegro domain value.
@type t() :: %Inttegro.PaymentMethods.PaymentMethodSupplied{ attempt_id: String.t() | nil, by: String.t(), channel: String.t() | nil, resource_id: String.t() | nil, resource_type: String.t() | nil, supplied_at: String.t() }
@spec from_map(map()) :: t()
@spec new!(map() | keyword()) :: t()
@spec to_map(t()) :: map()