* A {@code DependencyCoordinates} extends {@code ArtifactCoordinates} with additional information about how
 * the artifact will be used: type, scope and obligation (whether the dependency is optional or mandatory).
 * The version and the obligation may not be defined precisely.</p>
 *
 * <p>{@link org.apache.maven.api.Dependency} instances represent artifacts in the repository
 * that are dependencies of the project.

     */
    @Nonnull
    DependencyScope getScope();

    /**
     * Returns whether the dependency is optional or mandatory.
     * Unlike {@link DependencyCoordinates}, the obligation of a {@code Dependency} is always present.
     * The value is computed during the dependencies collection phase.
     *
     * @return {@code true} if the dependency is optional, or {@code false} if mandatory