## ReadablePromise class  
The ReadablePromise class wraps a request promise suitable for React Suspense. See: [https://blog.logrocket.com/react-suspense-data-fetching/#wrappromise-js](https://blog.logrocket.com/react-suspense-data-fetching/#wrappromise-js) See: [https://github.com/ovieokeh/suspense-data-fetching/blob/master/lib/api/wrapPromise.js](https://github.com/ovieokeh/suspense-data-fetching/blob/master/lib/api/wrapPromise.js)

**Signature:**  
```typescript
export declare class ReadablePromise<T> implements Promise<T>
```

**Implements:** Promise<T>

## Constructors  
| Constructor | Modifiers | Description |
| --- | --- | --- |
| [(constructor)(requestPromise)](/content/docs/sdk/core.readablepromise._constructor_/index.html) |  | Constructs a new instance of the `ReadablePromise` class |

## Properties  
| Property | Modifiers | Type | Description |
| --- | --- | --- | --- |
| [\[Symbol.toStringTag\]](/content/docs/sdk/core.readablepromise._symbol.tostringtag_/index.html) | `readonly` | string |  |

## Methods  
| Method | Modifiers | Description |
| --- | --- | --- |
| [catch(onrejected)](/content/docs/sdk/core.readablepromise.catch) |  | Attaches a callback for only the rejection of the Promise. |
| [finally(onfinally)](/content/docs/sdk/core.readablepromise.finally) |  | Attaches a callback that is invoked when the Promise is settled (fulfilled or rejected). The resolved value cannot be modified from the callback. |
| [isOk()](/content/docs/sdk/core.readablepromise.isok) |  | Returns true if the promise resolved successfully. |
| [isPending()](/content/docs/sdk/core.readablepromise.ispending) |  | Returns true if the promise is pending. |
| [read()](/content/docs/sdk/core.readablepromise.read) |  | Attempts to read the value of the promise. If the promise is pending, this method will throw a promise. If the promise rejected, this method will throw the rejection reason. If the promise resolved, this method will return the resolved value. |
| [then(onfulfilled, onrejected)](/content/docs/sdk/core.readablepromise.then) |  | Attaches callbacks for the resolution and/or rejection of the Promise.