GraphiQLHandlerBuilder (Vert.x Stack - Docs 5.0.0.CR3 API)

```
public interface GraphiQLHandlerBuilder
```
A builder for GraphiQLHandler instances.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`GraphiQLHandlerBuilder`	`addingHeaders(java.util.function.Function<RoutingContext,MultiMap> factory)`	Customize the HTTP headers to add to GraphQL requests sent by the GraphiQL user interface.
`GraphiQLHandler`	`build()`
`GraphiQLHandlerBuilder`	`with(GraphiQLHandlerOptions options)`	Change the `GraphiQLHandlerOptions` to use.

- Method Detail
  - with
```
GraphiQLHandlerBuilder with(GraphiQLHandlerOptions options)
```
    Change the GraphiQLHandlerOptions to use.
    
    Returns:
    
    a reference to this, so the API can be used fluently
  - addingHeaders
```
GraphiQLHandlerBuilder addingHeaders(java.util.function.Function<RoutingContext,MultiMap> factory)
```
    Customize the HTTP headers to add to GraphQL requests sent by the GraphiQL user interface. The result will be applied on top of the fixed set of headers specified in GraphiQLHandlerOptions.getHeaders().
    This can be useful if, for example, the server is protected by authentication.
    
    Returns:
    
    a reference to this, so the API can be used fluently
  - build
```
GraphiQLHandler build()
```
    Returns:
    
    a new instance of GraphiQLHandler