Returns true when the argument represents a subscription FEATURE-gate
denial (socket error code 4081 / SUBSCRIPTION_ERROR_CODESSUBSCRIPTION_FEATURE_REQUIRES_UPGRADE).
Accepts the numeric code, the string code, an ErrorData from the
render path, or any object carrying the subscriptionLimit discriminator or
a code of 4081 (e.g. a ChatJobError, whose code is the string wire
value). Anything else — including the other subscription denial codes
(4078/4079/4080) — returns false.
Returns
truewhen the argument represents a subscription FEATURE-gate denial (socket error code 4081 / SUBSCRIPTION_ERROR_CODESSUBSCRIPTION_FEATURE_REQUIRES_UPGRADE).Accepts the numeric code, the string code, an ErrorData from the render path, or any object carrying the
subscriptionLimitdiscriminator or acodeof 4081 (e.g. aChatJobError, whosecodeis the string wire value). Anything else — including the other subscription denial codes (4078/4079/4080) — returnsfalse.