public String computeIndentation(int offset) {
        return computeIndentation(offset, false);

    }
Computes the indentation at <code>offset</code>.

@param offset the offset in the document
@return a String which reflects the correct indentation for the line in which offset resides, or
<code>null</code> if it cannot be determined
plugins/org.jkiss.dbeaver.ui.editors.sql/src/org/jkiss/dbeaver/ui/editors/sql/indent/SQLIndenter.java