## MetadataOptions class

Represents the options of loading metadata of the file.

```javascript
class MetadataOptions;
```


## Constructors

| Constructor | Description |
| --- | --- |
| [constructor(MetadataType)](#constructor-metadatatype-)| Creates an options of loading the metadata. |

## Properties

| Property | Type | Description |
| --- | --- | --- |
| [metadataType](#metadataType--)| MetadataType | Readonly. Gets and sets the type of the metadata which is loading. |
| [password](#password--)| string | Represents Workbook file encryption password. |
| [keyLength](#keyLength--)| number | The key length. |

## Methods

| Method | Description |
| --- | --- |
| [getMetadataType()](#getMetadataType--)| <b>@deprecated.</b> Please use the 'metadataType' property instead. Gets and sets the type of the metadata which is loading. |
| [getPassword()](#getPassword--)| <b>@deprecated.</b> Please use the 'password' property instead. Represents Workbook file encryption password. |
| [setPassword(string)](#setPassword-string-)| <b>@deprecated.</b> Please use the 'password' property instead. Represents Workbook file encryption password. |
| [getKeyLength()](#getKeyLength--)| <b>@deprecated.</b> Please use the 'keyLength' property instead. The key length. |
| [setKeyLength(number)](#setKeyLength-number-)| <b>@deprecated.</b> Please use the 'keyLength' property instead. The key length. |
| [isNull()](#isNull--)| Checks whether the implementation object is null. |


### constructor(MetadataType) {#constructor-metadatatype-}

Creates an options of loading the metadata.

```javascript
constructor(metadataType: MetadataType);
```

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| metadataType | [MetadataType](../metadatatype/) | The type of metadata. |

### metadataType {#metadataType--}

Readonly. Gets and sets the type of the metadata which is loading.

```javascript
metadataType : MetadataType;
```


### password {#password--}

Represents Workbook file encryption password.

```javascript
password : string;
```


### keyLength {#keyLength--}

The key length.

```javascript
keyLength : number;
```


### getMetadataType() {#getMetadataType--}

<b>@deprecated.</b> Please use the 'metadataType' property instead. Gets and sets the type of the metadata which is loading.

```javascript
getMetadataType() : MetadataType;
```


**Returns**

[MetadataType](../metadatatype/)

### getPassword() {#getPassword--}

<b>@deprecated.</b> Please use the 'password' property instead. Represents Workbook file encryption password.

```javascript
getPassword() : string;
```


### setPassword(string) {#setPassword-string-}

<b>@deprecated.</b> Please use the 'password' property instead. Represents Workbook file encryption password.

```javascript
setPassword(value: string) : void;
```

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| value | string | The value to set. |

### getKeyLength() {#getKeyLength--}

<b>@deprecated.</b> Please use the 'keyLength' property instead. The key length.

```javascript
getKeyLength() : number;
```


### setKeyLength(number) {#setKeyLength-number-}

<b>@deprecated.</b> Please use the 'keyLength' property instead. The key length.

```javascript
setKeyLength(value: number) : void;
```

**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| value | number | The value to set. |

### isNull() {#isNull--}

Checks whether the implementation object is null.

```javascript
isNull() : boolean;
```