Security upgrades

node_modules/@material-ui/styles/createStyles/createStyles.d.ts

@@ -0,0 +1,16 @@
+import { StyleRules } from '@material-ui/styles/withStyles';
+
+/**
+ * This function doesn't really "do anything" at runtime, it's just the identity
+ * function. Its only purpose is to defeat TypeScript's type widening when providing
+ * style rules to `withStyles` which are a function of the `Theme`.
+ *
+ * @param styles a set of style mappings
+ * @returns the same styles that were passed in
+ */
+// For TypeScript v3.5 Props has to extend {} instead of object
+// See https://github.com/mui-org/material-ui/issues/15942
+// and https://github.com/microsoft/TypeScript/issues/31735
+export default function createStyles<ClassKey extends string, Props extends {}>(
+  styles: StyleRules<Props, ClassKey>
+): StyleRules<Props, ClassKey>;