public Requirement(String role, String roleHint) {
        this.role = role;
        this.roleHint = roleHint;
    }

    public String getRole() {
        return role;
    }

    public String getRoleHint() {
        return roleHint;
    }

    /**
     * Creates a shallow copy of this requirement.
     */
    @Override
    public Requirement clone() {
        try {

        assertEquals("3.0.0", mp.getSince());

        ComponentRequirement cr = md.getRequirements().get(0);

        assertEquals("org.codehaus.plexus.archiver.Archiver", cr.getRole());
        assertEquals("jar", cr.getRoleHint());
        assertEquals("jarArchiver", cr.getFieldName());

        ComponentDependency cd = pd.getDependencies().get(0);

        assertEquals("org.apache.maven", cd.getGroupId());

    }

    /** {@inheritDoc} */
    public String getRole() {
        return isV4Api() ? "org.apache.maven.api.plugin.Mojo" : Mojo.ROLE;
    }

    /** {@inheritDoc} */
    public String getRoleHint() {
        return getId();
    }

    /**
     * @return the id of the mojo, based on the goal name
     */
    public String getId() {
        return getPluginDescriptor().getId() + ":" + getGoal();