package com.netflix.governator.guice.jetty;

public interface JettyConfig {

    int getPort();

    /**
     * @return The directory where the webapp has the static resources. It can just be a suffix since we'll scan the
     * classpath to find the exact directory name.
     */
    String getResourceBase();

    /**
     * @return the context path for jetty.
     */
    String getContextPath();
    
}

package com.netflix.governator.guice.jetty;

public interface JettyConfig {

    int getPort();

    /**
     * @return The directory where the webapp has the static resources. It can just be a suffix since we'll scan the
     * classpath to find the exact directory name.
     */
    String getResourceBase();

    /**
     * @return the context path for jetty.
     */
    default String getContextPath() { return "/"; }
    
}

Update JettyConfig.java