fix(core): update

ts/levelcache.classes.cacheentry.ts

@@ -1,10 +1,20 @@
 import * as plugins from './levelcache.plugins';
 
+export interface ICacheEntryConstructorOptions {}
+
+/**
+ * a CacheEntry
+ */
 export class CacheEntry {
+  public static fromBuffer() {}
+  public static fromString() {}
+
   type: 'string' | 'blob';
   mode: 'complete' | 'stream';
   keyArg: string;
   cacheStream: ReadableStream;
   cacheContents: Buffer;
   cacheValue: string;
-}
+
+  constructor(optionsArg: {}) {}
+}