The `filters` specifies an array of file types that can be displayed or
selected when you want to limit the user to a specific type. For example:
-```
+```js
{
filters: [
{name: 'Images', extensions: ['jpg', 'png', 'gif']},
Template:
-```
+```js
[
{label: '4', id: '4'},
{label: '5', id: '5'},
Template:
-```
+```js
[
{label: 'a', position: 'endof=letters'},
{label: '1', position: 'endof=numbers'},
By default, an empty `options` will be regarded as:
-```
+```js
{
marginsType: 0,
printBackground: false,
This will generate:
-```
+```js
{
images: {
count: 22,
xslStyleSheets: { /* same with "images" */ },
fonts: { /* same with "images" */ },
other: { /* same with "images" */ }
-})
+}
```
### `webFrame.clearCache()`