public String getDefaultUsage(String...msgs) {
    StringBuilder b = new StringBuilder("\n");
    for(String msg: msgs) {
      b.append(msg).append("\n");
    }
    b.append(dargp.usage());
    return b.toString();
  }
public String getDefaultUsage ( String ... msgs ) { StringBuilder b = new StringBuilder ( "\n" ) ; for ( String msg : msgs ) { b . append ( msg ) . append ( "\n" ) ; } b . append ( dargp . usage ( ) ) ; return b . toString ( ) ; }
Returns a default usage banner with optional prefixed messages, one per line.
@param msgs The optional message
@return the formatted usage banner