atomicFetchAdd import { atomicFetchAdd } from "destack:sync"; Atomic fetch-and-add. Atomically adds value to the value at ptr. Returns the previous value before the addition. export declare function atomicFetchAdd(ptr: *T, value: T, order: MemoryOrdering, scope: AtomicScope, memoryScope: MemoryScope, regions: MemoryRegionSet, isVolatile: boolean, isMakeAvailable: boolean, isMakeVisible: boolean): T language/library/src/sync/atomic.ds:288:298