StringBuilder sb = null;
if ( return_removed_seq ) {
s = getSequence( row );
final char[] x = s.getMolecularSequence();
sb = new StringBuilder( x.length );
StringBuilder sb = null;
if ( return_removed_seq ) {
s = getSequence( row );
final char[] x = s.getMolecularSequence();
sb = new StringBuilder( x.length );
final public boolean isAllGap( final int col ) {
final int m_col = _mapped_col_positions[ col ];
for( int j = 0; j < getNumberOfSequences(); ++j ) {
final public boolean isAllGap( final int col ) {
final int m_col = _mapped_col_positions[ col ];
for( int j = 0; j < getNumberOfSequences(); ++j ) {