return getLibConfigurations();
    }

    /**
     * Synonym for {@link #setLibConfigurations(Set)}.
     */
    public void setPlusConfigurations(Set<Configuration> plusConfigurations) {
        setLibConfigurations(plusConfigurations);
    }

    /**
     * The configurations whose files are to be excluded from wtp deployment.
     * <p>
     * For examples see docs for {@link EclipseWtp}