All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`R`	`visit(Rpq.Alternation instance)`	Visit the `Rpq.Alternation` case.
`R`	`visit(Rpq.Concatenation instance)`	Visit the `Rpq.Concatenation` case.
`R`	`visit(Rpq.Label instance)`	Visit the `Rpq.Label` case.
`R`	`visit(Rpq.Negated instance)`	Visit the `Rpq.Negated` case.
`R`	`visit(Rpq.Optional instance)`	Visit the `Rpq.Optional` case.
`R`	`visit(Rpq.Parenthesis instance)`	Visit the `Rpq.Parenthesis` case.
`R`	`visit(Rpq.Plus instance)`	Visit the `Rpq.Plus` case.
`R`	`visit(Rpq.Reverse instance)`	Visit the `Rpq.Reverse` case.
`R`	`visit(Rpq.Star instance)`	Visit the `Rpq.Star` case.

visit
```
R visit(Rpq.Parenthesis instance)
```
Visit the Rpq.Parenthesis case.

R visit(Rpq.Concatenation instance)

Visit the Rpq.Concatenation case.

visit
```
R visit(Rpq.Alternation instance)
```
Visit the Rpq.Alternation case.

Interface Rpq.Visitor<R>