Function isTypeUsableAsPropertyName

test/fixtures/snapshot/typescript.js:57670–57672

* Indicates whether a type can be used as a property name.

(type)

         * Indicates whether a type can be used as a property name.
         */
        function isTypeUsableAsPropertyName(type) {
            return !!(type.flags & 8576 /* TypeFlags.StringOrNumberLiteralOrUnique */);
        }
        /**
         * Indicates whether a declaration name is definitely late-bindable.
         * A declaration name is only late-bindable if: