Function instantiateSignatures

test/fixtures/snapshot/typescript.js:63273–63275

(signatures, mapper)

            return instantiateList(types, mapper, instantiateType);
        }
        function instantiateSignatures(signatures, mapper) {
            return instantiateList(signatures, mapper, instantiateSignature);
        }
        function instantiateIndexInfos(indexInfos, mapper) {
            return instantiateList(indexInfos, mapper, instantiateIndexInfo);
        }