src/main/java/com/bytebybyte/google/geocoding/service/request/GeocodeRequestBuilder.java
public GeocodeRequestBuilder key(String client, String signature) {
		parameters.put("client", client);
		parameters.put("signature", signature);
		return this;
	}
public GeocodeRequestBuilder key(String client, String signature) {
		parameters.put("client", client);
		parameters.put("signature", signature);
		return this;
	}
public GeocodeRequestBuilder key ( String client , String signature ) { parameters . put ( "client" , client ) ; parameters . put ( "signature" , signature ) ; return this ; }
Your 'business' application's API key. This key identifies your
application for purposes of quota management.

@param client
@param signature
@return GeocodeRequestBuilder
Your business application s API key . This key identifies your application for purposes of quota management .