```
public interface ScriptSourceInput
```
Contract for hiding the differences between a passed Reader, File or URL in terms of how we read input scripts.

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default boolean`	`containsScript(URL url)`
`default boolean`	`exists()`
`List<String>`	`extract(Function<Reader,List<String>> extractor)`	Allows managed access to the input's Reader, returning a result
`default String`	`getScriptDescription()`

extract
```
List<String> extract(Function<Reader,List<String>> extractor)
```
Allows managed access to the input's Reader, returning a result

default boolean containsScript(URL url)

Interface ScriptSourceInput