discourage suspend and resume methods on queues for safety reasons.
discourage suspend and resume methods on queues for safety reasons.

duk42111/GCDKit,duk42111/GCDKit,andreaperizzato/GCDKit,duk42111/GCDKit,JohnEstropia/GCDKit,JohnEstropia/GCDKit,andreaperizzato/GCDKit