diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..b760d60
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,152 @@
+export = ResembleHelper;
+/**
+ * Resemble.js helper class for CodeceptJS, this allows screen comparison
+ * @author Puneet Kala
+ */
+declare class ResembleHelper {
+    constructor(config: any);
+    baseFolder: any;
+    diffFolder: any;
+    screenshotFolder: string;
+    prepareBaseImage: any;
+    resolvePath(folderPath: any): any;
+    /**
+     * Compare Images
+     *
+     * @param image
+     * @param options
+     * @returns {Promise<resolve | reject>}
+     */
+    _compareImages(image: any, options: any): Promise<any | any>;
+    /**
+     *
+     * @param image
+     * @param options
+     * @returns {Promise<*>}
+     */
+    _fetchMisMatchPercentage(image: any, options: any): Promise<any>;
+    /**
+     * Take screenshot of individual element.
+     * @param selector selector of the element to be screenshotted
+     * @param name name of the image
+     * @returns {Promise<void>}
+     */
+    screenshotElement(selector: any, name: any): Promise<void>;
+    /**
+     * This method attaches image attachments of the base, screenshot and diff to the allure reporter when the mismatch exceeds tolerance.
+     * @param baseImage
+     * @param misMatch
+     * @param options
+     * @returns {Promise<void>}
+     */
+    _addAttachment(baseImage: any, misMatch: any, options: any): Promise<void>;
+    /**
+     * This method attaches context, and images to Mochawesome reporter when the mismatch exceeds tolerance.
+     * @param baseImage
+     * @param misMatch
+     * @param options
+     * @returns {Promise<void>}
+     */
+    _addMochaContext(baseImage: any, misMatch: any, options: any): Promise<void>;
+    /**
+     * This method uploads the diff and screenshot images into the bucket with diff image under bucketName/diff/diffImage and the screenshot image as
+     * bucketName/output/ssImage
+     * @param accessKeyId
+     * @param secretAccessKey
+     * @param region
+     * @param bucketName
+     * @param baseImage
+     * @param options
+     * @returns {Promise<void>}
+     */
+    _upload(accessKeyId: any, secretAccessKey: any, region: any, bucketName: any, baseImage: any, options: any): Promise<void>;
+    /**
+     * This method downloads base images from specified bucket into the base folder as mentioned in config file.
+     * @param accessKeyId
+     * @param secretAccessKey
+     * @param region
+     * @param bucketName
+     * @param baseImage
+     * @param options
+     * @returns {Promise<void>}
+     */
+    _download(accessKeyId: any, secretAccessKey: any, region: any, bucketName: any, baseImage: any, options: any): Promise<void>;
+    /**
+     * Check Visual Difference for Base and Screenshot Image
+     * @param baseImage         Name of the Base Image (Base Image path is taken from Configuration)
+     * @param {any} [options]           Options ex {prepareBaseImage: true, tolerance: 5} along with Resemble JS Options, read more here: https://github.com/rsmbl/Resemble.js
+     * @returns {Promise<void>}
+     */
+    seeVisualDiff(baseImage: any, options?: any): Promise<void>;
+    /**
+     * See Visual Diff for an Element on a Page
+     *
+     * @param selector   Selector which has to be compared expects these -> CSS|XPath|ID
+     * @param baseImage  Base Image for comparison
+     * @param {any} [options]    Options ex {prepareBaseImage: true, tolerance: 5} along with Resemble JS Options, read more here: https://github.com/rsmbl/Resemble.js
+     * @returns {Promise<void>}
+     */
+    seeVisualDiffForElement(selector: any, baseImage: any, options?: any): Promise<void>;
+    _assertVisualDiff(selector: any, baseImage: any, options: any): Promise<void>;
+    /**
+     * Function to prepare Base Images from Screenshots
+     *
+     * @param screenShotImage  Name of the screenshot Image (Screenshot Image Path is taken from Configuration)
+     * @param options
+     */
+    _prepareBaseImage(screenShotImage: any, options: any): Promise<void>;
+    /**
+     * Function to create Directory
+     * @param directory
+     * @returns {Promise<void>}
+     * @private
+     */
+    private _createDir;
+    /**
+     * Function to fetch Bounding box for an element, fetched using selector
+     *
+     * @param selector CSS|XPath|ID selector
+     * @returns {Promise<{boundingBox: {left: *, top: *, right: *, bottom: *}}>}
+     */
+    _getBoundingBox(selector: any): Promise<{
+        boundingBox: {
+            left: any;
+            top: any;
+            right: any;
+            bottom: any;
+        };
+    }>;
+    _getHelper(): any;
+    /**
+     * Returns the final name of the expected base image, without a path
+     * @param image Name of the base-image, without path
+     * @param options Helper options
+     * @returns {string}
+     */
+    _getBaseImageName(image: any, options: any): string;
+    /**
+     * Returns the path to the expected base image
+     * @param image Name of the base-image, without path
+     * @param options Helper options
+     * @returns {string}
+     */
+    _getBaseImagePath(image: any, options: any): string;
+    /**
+     * Returns the path to the actual screenshot image
+     * @param image Name of the image, without path
+     * @returns {string}
+     */
+    _getActualImagePath(image: any): string;
+    /**
+     * Returns the path to the image that displays differences between base and actual image.
+     * @param image Name of the image, without path
+     * @returns {string}
+     */
+    _getDiffImagePath(image: any): string;
+    /**
+     * Returns the final `prepareBaseImage` flag after evaluating options and config values
+     * @param options Helper options
+     * @returns {boolean}
+     */
+    _getPrepareBaseImage(options: any): boolean;
+}
diff --git a/index.js b/index.js
index 89da5dd..0592db0 100644
--- a/index.js
+++ b/index.js
@@ -286,7 +286,7 @@ class ResembleHelper extends Helper {
   /**
    * Check Visual Difference for Base and Screenshot Image
    * @param baseImage         Name of the Base Image (Base Image path is taken from Configuration)
-   * @param options           Options ex {prepareBaseImage: true, tolerance: 5} along with Resemble JS Options, read more here: https://github.com/rsmbl/Resemble.js
+   * @param {any} [options]           Options ex {prepareBaseImage: true, tolerance: 5} along with Resemble JS Options, read more here: https://github.com/rsmbl/Resemble.js
    * @returns {Promise<void>}
    */
   async seeVisualDiff(baseImage, options) {
@@ -298,7 +298,7 @@ class ResembleHelper extends Helper {
    *
    * @param selector   Selector which has to be compared expects these -> CSS|XPath|ID
    * @param baseImage  Base Image for comparison
-   * @param options    Options ex {prepareBaseImage: true, tolerance: 5} along with Resemble JS Options, read more here: https://github.com/rsmbl/Resemble.js
+   * @param {any} [options]    Options ex {prepareBaseImage: true, tolerance: 5} along with Resemble JS Options, read more here: https://github.com/rsmbl/Resemble.js
    * @returns {Promise<void>}
    */
   async seeVisualDiffForElement(selector, baseImage, options) {