}

    @Override
    public String getFilteringCharset() {
        return getDelegateCopySpec().getFilteringCharset();
    }

    @Override
    public void setFilteringCharset(String charset) {
        getDelegateCopySpec().setFilteringCharset(charset);
    }

    @Override
    public void addChildSpecListener(CopySpecListener listener) {
        getDelegateCopySpec().addChildSpecListener(listener);
    }

    public String getFilteringCharset() {
        return getMainSpec().getFilteringCharset();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void setFilteringCharset(String charset) {
        getMainSpec().setFilteringCharset(charset);
    }

    /**
     * Specifies the charset used to read and write files when filtering.
     *
     * @param charset the name of the charset to use when filtering files
     * @since 2.14
     */
    void setFilteringCharset(String charset);

        return sourcePaths;
    }

    @Override
    public String getFilteringCharset() {
        return buildRootResolver().getFilteringCharset();
    }

    @Override
    public void setFilteringCharset(String charset) {
        Preconditions.checkNotNull(charset, "filteringCharset must not be null");
        if (!Charset.isSupported(charset)) {