Demo for query storing

Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/fastq/index.d.ts b/node_modules/fastq/index.d.ts
new file mode 100644
index 0000000..31e7b79
--- /dev/null
+++ b/node_modules/fastq/index.d.ts
@@ -0,0 +1,27 @@
+declare function fastq<C, T = any, R = any>(context: C, worker: fastq.worker<C, T, R>, concurrency: number): fastq.queue<T, R>
+declare function fastq<C, T = any, R = any>(worker: fastq.worker<C, T, R>, concurrency: number): fastq.queue<T, R>
+
+declare namespace fastq {
+  type worker<C, T = any, R = any> = (this: C, task: T, cb: fastq.done<R>) => void
+  type done<R = any> = (err: Error | null, result?: R) => void
+  type errorHandler<T = any> = (err: Error, task: T) => void
+
+  interface queue<T = any, R = any> {
+    push(task: T, done: done<R>): void
+    unshift(task: T, done: done<R>): void
+    pause(): any
+    resume(): any
+    idle(): boolean
+    length(): number
+    getQueue(): T[]
+    kill(): any
+    killAndDrain(): any
+    error(handler: errorHandler): void
+    concurrency: number
+    drain(): any
+    empty: () => void
+    saturated: () => void
+  }
+}
+
+export = fastq