Function getOrSetCacheKey

test/fixtures/snapshot/typescript.js:70327–70333

()

            // The non-null unknown type should never escape control flow analysis.
            return resultType === nonNullUnknownType ? unknownType : resultType;
            function getOrSetCacheKey() {
                if (isKeySet) {
                    return key;
                }
                isKeySet = true;
                return key = getFlowCacheKey(reference, declaredType, initialType, flowContainer);
            }
            function getTypeAtFlowNode(flow) {
                if (flowDepth === 2000) {
                    // We have made 2000 recursive invocations. To avoid overflowing the call stack we report an error