RequestParamsBuilder (gax 2.19.5 API)

java.lang.Object
- com.google.api.gax.rpc.RequestParamsBuilder

```
@BetaApi
public class RequestParamsBuilder
extends java.lang.Object
```
This builder class builds a request params map that will be used by autogenerated implementation of RequestParamsExtractor.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(java.lang.String fieldValue, java.lang.String headerKey, com.google.api.pathtemplate.PathTemplate pathTemplate)`	Add an entry to paramsBuilder by match-and-extract field values from requests based on pre-configured path templates.
`java.util.Map<java.lang.String,java.lang.String>`	`build()`
`static RequestParamsBuilder`	`create()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - create
```
public static RequestParamsBuilder create()
```
  - add
```
public void add(java.lang.String fieldValue,
                java.lang.String headerKey,
                com.google.api.pathtemplate.PathTemplate pathTemplate)
```
    Add an entry to paramsBuilder by match-and-extract field values from requests based on pre-configured path templates. This method is called repeatedly for each configured routing rule parameter, it's possible that the incoming field value from request is null or there is no matches found, we'll continue the match-and-extract process for the next routing rule parameter in such case.
    
    Parameters:
    
    fieldValue - the field value from a request
    
    headerKey - the header key for the routing header param
    
    pathTemplate - PathTemplate the path template used for match-and-extract
  - build
```
public java.util.Map<java.lang.String,java.lang.String> build()
```