docs: added reference for JS Client (#1629)

* added reference for JS Client

* added reference for JS Client

* added reference for JS Client

docs/content/references/js-client/interfaces/internal.Iterator.md

@@ -0,0 +1,75 @@
+---
+displayed_sidebar: jsClientSidebar
+---
+
+# Interface: Iterator<T, TReturn, TNext\>
+
+[internal](../modules/internal.md).Iterator
+
+## Type parameters
+
+| Name | Type |
+| :------ | :------ |
+| `T` | `T` |
+| `TReturn` | `any` |
+| `TNext` | `undefined` |
+
+## Methods
+
+### next
+
+▸ **next**(...`args`): [`IteratorResult`](../modules/internal.md#iteratorresult)<`T`, `TReturn`\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `...args` | [] \| [`TNext`] |
+
+#### Returns
+
+[`IteratorResult`](../modules/internal.md#iteratorresult)<`T`, `TReturn`\>
+
+#### Defined in
+
+node_modules/typescript/lib/lib.es2015.iterable.d.ts:45
+
+___
+
+### return
+
+▸ `Optional` **return**(`value?`): [`IteratorResult`](../modules/internal.md#iteratorresult)<`T`, `TReturn`\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `value?` | `TReturn` |
+
+#### Returns
+
+[`IteratorResult`](../modules/internal.md#iteratorresult)<`T`, `TReturn`\>
+
+#### Defined in
+
+node_modules/typescript/lib/lib.es2015.iterable.d.ts:46
+
+___
+
+### throw
+
+▸ `Optional` **throw**(`e?`): [`IteratorResult`](../modules/internal.md#iteratorresult)<`T`, `TReturn`\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `e?` | `any` |
+
+#### Returns
+
+[`IteratorResult`](../modules/internal.md#iteratorresult)<`T`, `TReturn`\>
+
+#### Defined in
+
+node_modules/typescript/lib/lib.es2015.iterable.d.ts:47