Added files for Juan

ExACTRegressionScripts/node_modules/loglevel-plugin-prefix/index.d.ts

@@ -0,0 +1,14 @@
+declare module 'loglevel-plugin-prefix' {
+    import { Logger } from 'loglevel';
+
+    interface LoglevelPluginPrefixOptions {
+        template?: string;
+        levelFormatter?: (level: string) => string;
+        nameFormatter?: (name: string | undefined) => string;
+        timestampFormatter?: (date: Date) => string;
+        format?: (level: string, name: string | undefined, timestamp: Date) => string | undefined;
+    }
+
+    function reg(loglevel: Logger): void;
+    function apply(logger: Logger, options?: LoglevelPluginPrefixOptions): Logger;
+}