diff --git a/types/pidusage/index.d.ts b/types/pidusage/index.d.ts
index b16dada0ef..3efec6ce09 100644
--- a/types/pidusage/index.d.ts
+++ b/types/pidusage/index.d.ts
@@ -5,46 +5,59 @@
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.2
 
+interface Stat {
+    /**
+     * percentage (from 0 to 100*vcore)
+     */
+    cpu: number;
+
+    /**
+     * bytes
+     */
+    memory: number;
+
+    /**
+     * PPID
+     */
+    ppid: number;
+
+    /**
+     * PID
+     */
+    pid: number;
+
+    /**
+     * ms user + system time
+     */
+    ctime: number;
+
+    /**
+     * ms since the start of the process
+     */
+    elapsed: number;
+
+    /**
+     * ms since epoch
+     */
+    timestamp: number;
+}
+
 declare function pidusage(pid: number | string, callback: (err: Error | null, stats: Stat) => void): void;
+declare function pidusage(pid: number | string, options: { [key: string]: any }, callback: (err: Error | null, stats: Stat) => void): void;
 declare function pidusage(pids: Array<number | string>, callback: (err: Error | null, stats: { [key: string]: Stat }) => void): void;
-declare function pidusage(pid: number | string): Promise<Stat>;
-declare function pidusage(pids: Array<number | string>): Promise<{ [key: string]: Stat }>;
+declare function pidusage(pids: Array<number | string>, options: { [key: string]: any }, callback: (err: Error | null, stats: { [key: string]: Stat }) => void): void;
+declare function pidusage(pid: number | string, options?: { [key: string]: any }): Promise<Stat>;
+declare function pidusage(pids: Array<number | string>, options?: { [key: string]: any }): Promise<{ [key: string]: Stat }>;
 
-export default pidusage;
+declare namespace pidusage {
+    type Status = Stat;
 
-export interface Stat {
-        /**
-         * percentage (from 0 to 100*vcore)
-         */
-        cpu: number;
+    /**
+     * If needed this function can be used to clear the event loop.
+     * Indeed, we're registering an interval to free up the in-memory metrics.
+     * By calling this, it will clear this interval and all delete all in-memory data
+     */
+    function clear(): void;
+}
 
-        /**
-         * bytes
-         */
-        memory: number;
-
-        /**
-         * PPID
-         */
-        ppid: number;
-
-        /**
-         * PID
-         */
-        pid: number;
-
-        /**
-         * ms user + system time
-         */
-        ctime: number;
-
-        /**
-         * ms since the start of the process
-         */
-        elapsed: number;
-
-        /**
-         * ms since epoch
-         */
-        timestamp: number;
-    }
+export = pidusage;
diff --git a/types/pidusage/pidusage-tests.ts b/types/pidusage/pidusage-tests.ts
index 614569dfa3..faa2b30c0c 100644
--- a/types/pidusage/pidusage-tests.ts
+++ b/types/pidusage/pidusage-tests.ts
@@ -1,4 +1,4 @@
-import pidusage, { Stat } from 'pidusage';
+import pidusage = require('pidusage');
 
 let cpu: number;
 let memory: number;
@@ -8,7 +8,7 @@ let ctime: number;
 let elapsed: number;
 let timestamp: number;
 
-pidusage(1, (err: Error | null, stats: Stat) => {
+pidusage(1, (err: Error | null, stats: pidusage.Status) => {
     cpu = stats.cpu;
     memory = stats.memory;
     ppid = stats.ppid;
@@ -18,7 +18,7 @@ pidusage(1, (err: Error | null, stats: Stat) => {
     timestamp = stats.timestamp;
 });
 
-pidusage('two', (err: Error | null, stats: Stat) => {
+pidusage('two', {}, (err: Error | null, stats: pidusage.Status) => {
     cpu = stats.cpu;
     memory = stats.memory;
     ppid = stats.ppid;
@@ -28,11 +28,18 @@ pidusage('two', (err: Error | null, stats: Stat) => {
     timestamp = stats.timestamp;
 });
 
-pidusage([1, 'two'], (err: Error | null, stats: { [key: string]: Stat }) => {
-    const one: Stat = stats[1];
-    const two: Stat = stats.two;
+pidusage([1, 'two'], (err: Error | null, stats: { [key: string]: pidusage.Status }) => {
+    const one: pidusage.Status = stats[1];
+    const two: pidusage.Status = stats.two;
 });
 
-const stats_1: Promise<Stat> = pidusage(1);
-const stats_two: Promise<Stat> = pidusage('two');
-const stats_obj: Promise<{ [key: string]: Stat }> = pidusage([1, 'two']);
+pidusage([1, 'two'], {}, (err: Error | null, stats: { [key: string]: pidusage.Status }) => {
+    const one: pidusage.Status = stats[1];
+    const two: pidusage.Status = stats.two;
+});
+
+const stats_1: Promise<pidusage.Status> = pidusage(1);
+const stats_two: Promise<pidusage.Status> = pidusage('two', {});
+
+const stats_obj: Promise<{ [key: string]: pidusage.Status }> = pidusage([1, 'two']);
+const stats_obj_config: Promise<{ [key: string]: pidusage.Status }> = pidusage([1, 'two'], {});