public Lambda prefix(String prefix) {
    return new Lambda(declaringClass, owner, desc, implementationName, name,
        Route.normalize(prefix + "/" + pattern), method.orElse(null), tag);
  }
public Lambda prefix(String prefix) {
    return new Lambda(declaringClass, owner, desc, implementationName, name,
        Route.normalize(prefix + "/" + pattern), method.orElse(null), tag);
  }
public Lambda prefix ( String prefix ) { return new Lambda ( declaringClass , owner , desc , implementationName , name , Route . normalize ( prefix + "/" + pattern ) , method . orElse ( null ) , tag ) ; }
Creates a new lambda and set a pattern prefix.

@param prefix Prefix.
@return A new lambda.
Creates a new lambda and set a pattern prefix .