public class ListenerVariables
extends Object

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static ListenerVariables.Builder`	`builder()`
`static ListenerVariables`	`empty()`
`Set<String>`	`evaluationVariables()`	Get required evaluation variables
`Set<String>`	`inferenceVariables()`	Get required inference variables
`ListenerVariables`	`merge(ListenerVariables other)`	Return a new ListenerVariables that contains the variables of this ListenerVariables and of other
`Set<String>`	`requiredVariables(Operation op)`	Get required variables for specified op
`Set<String>`	`trainingVariables()`	Get required training variables
`Set<String>`	`validationVariables()`	Get required validation variables

public static ListenerVariables empty()

public static ListenerVariables.Builder builder()

trainingVariables
```
public Set<String> trainingVariables()
```
Get required training variables

validationVariables
```
public Set<String> validationVariables()
```
Get required validation variables

evaluationVariables
```
public Set<String> evaluationVariables()
```
Get required evaluation variables

inferenceVariables
```
public Set<String> inferenceVariables()
```
Get required inference variables

public Set<String> requiredVariables(Operation op)

Get required variables for specified op

merge
```
public ListenerVariables merge(ListenerVariables other)
```
Return a new ListenerVariables that contains the variables of this ListenerVariables and of other

Class ListenerVariables