Interface
Common
```kotlin
interface PageSize
```
This is used to determine how Pages are laid out in `Pager`. By changing the size of the pages
one can change how many pages are shown.
Please refer to the sample to learn how to use this API.
## Functions
calculateMainAxisPageSize
```kotlin
fun Density.calculateMainAxisPageSize(availableSpace: Int, pageSpacing: Int): Int
```
Based on `availableSpace` pick a size for the pages
#### Parameters
| | |
| --- | --- |
| availableSpace | The amount of space in pixels the pages in this Pager can use. |
| pageSpacing | The amount of space in pixels used to separate pages. |