[**@lancedb/lancedb**](../README.md) • **Docs** *** [@lancedb/lancedb](../globals.md) / NativeJsHeaderProvider # Class: NativeJsHeaderProvider JavaScript HeaderProvider implementation that wraps a JavaScript callback. This is the only native header provider - all header provider implementations should provide a JavaScript function that returns headers. ## Constructors ### new NativeJsHeaderProvider() ```ts new NativeJsHeaderProvider(getHeadersCallback): NativeJsHeaderProvider ``` Create a new JsHeaderProvider from a JavaScript callback #### Parameters * **getHeadersCallback** #### Returns [`NativeJsHeaderProvider`](NativeJsHeaderProvider.md)