Gck.Builder.prototype.find_ulong

function find_ulong(attr_type: Number(gulong)): [ok: Boolean, value: Number(gulong)] {
    // Gjs wrapper for gck_builder_find_ulong()
}
  

Find a unsigned long attribute in the builder that has the type attr_type, is of the correct unsigned long size, and is not invalid in the PKCS\#11 sense. If multiple attributes exist for the given attribute type, then the first\ one is returned.