@Override
	public String toString() {
		StringBuilder buf = new StringBuilder();
		buf.append(elements().toString());
		if ( hasSemanticContext ) buf.append(",hasSemanticContext=").append(hasSemanticContext);
		if ( uniqueAlt!=ATN.INVALID_ALT_NUMBER ) buf.append(",uniqueAlt=").append(uniqueAlt);
		if ( conflictingAlts!=null ) buf.append(",conflictingAlts=").append(conflictingAlts);
		if ( dipsIntoOuterContext ) buf.append(",dipsIntoOuterContext");
		return buf.toString();
	}
Gets the complete set of represented alternatives for the configuration
set.

@return the set of represented alternatives in this configuration set

@since 4.3
runtime/Java/src/org/antlr/v4/runtime/atn/ATNConfigSet.java