modules/jooby-apitool/src/main/java/org/jooby/apitool/RouteMethod.java
public RouteMethod param(String name, Consumer<RouteParameter> customizer) {
    parameters().stream()
        .filter(p -> name.equals(p.name()))
        .findFirst()
        .ifPresent(customizer);
    return this;
  }
public RouteMethod param(String name, Consumer<RouteParameter> customizer) {
    parameters().stream()
        .filter(p -> name.equals(p.name()))
        .findFirst()
        .ifPresent(customizer);
    return this;
  }
Find a parameter by name and invoke the given callback.

@param name Parameter name.
@param customizer Success callback.
@return This method.