Function isTupleType

test/fixtures/snapshot/typescript.js:67544–67546

* Check if a Type was written as a tuple type literal. * Prefer using isTupleLikeType() unless the use of `elementTypes`/`getTypeArguments` is required.

(type)

         * Prefer using isTupleLikeType() unless the use of `elementTypes`/`getTypeArguments` is required.
         */
        function isTupleType(type) {
            return !!(ts.getObjectFlags(type) & 4 /* ObjectFlags.Reference */ && type.target.objectFlags & 8 /* ObjectFlags.Tuple */);
        }
        function isGenericTupleType(type) {
            return isTupleType(type) && !!(type.target.combinedFlags & 8 /* ElementFlags.Variadic */);
        }