package com.github.bot.curiosone.core.knowledge.interfaces;

/**
 * Represents a Vertex.
 */
public interface Vertex {

  /**
   * Returns a String representation of the ID of the Vertex.
   */
  String getId();
}

package com.github.bot.curiosone.core.knowledge.interfaces;

/**
 * Represents a Vertex.
 */
public interface Vertex {

  /**
   * Gets the ID of the Vertex.
   * @return  a String representation of the ID of the Vertex
   */
  String getId();
}

improve Vertex javadoc