Function getRootTagName

getRootTagName(
xml: string | Buffer<ArrayBufferLike>,
options?: { requireDeclaration?: boolean },
): undefined | string
Get the name of the root element of a XML string excluding the XML deceleration:
```

<rootTag>
   <inner />
</rootTag
```
Parameters
- xml: string | Buffer<ArrayBufferLike>
  XML string or buffer
- Optionaloptions: { requireDeclaration?: boolean }
  - OptionalrequireDeclaration?: boolean
    When true the function will return undefined when the XML string does not start with a XML declaration
Returns undefined | string
Name of the root tag in the XML file
- Defined in packages/util/src/xml.ts:292