Backend sample service: Capability on the editor

SampleCapability.java

package org.appformer.kogito.bridge.client.capability.sample;

import elemental2.promise.Promise;
import org.appformer.kogito.bridge.client.capability.CapabilityResponse;

/**
 * Sample capability.
 */
public interface SampleCapability {

    /**
     * Sample method that returns a greeting with the given name after a given delay.
     *
     * @param name  The person's name.
     * @param delay The time in ms for delaying the response.
     * @return A greeting after the delay.
     */
    Promise<CapabilityResponse<String>> hello(String name, int delay);
}