---
title: "Types (core)"
slug: "081-core-types-schemas"
updated: 2025-05-23T22:42:19Z
published: 2025-05-23T22:42:19Z
canonical: "docs.developer.comcast.com/081-core-types-schemas"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.developer.comcast.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Types (core)

**Types Schema 0.8.1 | Core SDK**

## JSON-Schema

This document was generated from a JSON-Schema, and is intended to provide a human readable overview and examples of the methods contained in the module.

For the full schema, see the link below.

| Schema |
| --- |
| [types.json](https://github.com/rdkcentral/firebolt-openrpc/blob/feature/badger-parity/src/schemas/types.json) |

## Schemas

### SemanticVersion

```
type SemanticVersion = {
  major: number
  minor: number
  patch: number
  readable: string
}
```

---

### AudioProfile

```
type AudioProfile = 'stereo' | 'dolbyDigital5.1' | 'dolbyDigital7.1' | 'dolbyDigital5.1+' | 'dolbyDigital7.1+' | 'dolbyAtmos'
```

---

### BooleanMap

```
type BooleanMap = {
  [property: string]: boolean
}
```

---

### FlatMap

```
type FlatMap = {
  [property: string]: string | number | boolean
}
```

---

### LocalizedString

```
type LocalizedString = string | object
```

**Examples:**

```
"A simple string, with no language code"

{
  "en": "This is english",
  "es": "esto es español"
}
```

#### Details

Localized string supports either a simple `string` or a Map<string, string> of language codes to strings. When using a simple `string`, the current preferred langauge from `Localization.langauge()` is assumed.

---

### ListenResponse

```
type ListenResponse = {
  event: string
  listening: boolean
}
```

---

### ProviderRequest

```
type ProviderRequest = {
  correlationId: string   // The id that was passed in to the event that triggered a provider method to be called
  parameters?: object     // The result of the provider response.
}
```

---

### ProviderResponse

```
type ProviderResponse = {
  correlationId: string    // The id that was passed in to the event that triggered a provider method to be called

}
```

---

### Timeout

```
type Timeout = number
```

#### Details

Defines the timeout in seconds. If the threshold for timeout is passed for any operation without a result it will throw an error.

---