if (REVISION.equals(subStatementContext.keyword().getText())) {
final String currentRevision = Utils.stringFromStringContext(subStatementContext.argument(),
getReference(source, subStatementContext));
if (REVISION.equals(subStatementContext.keyword().getText())) {
final String currentRevision = Utils.stringFromStringContext(subStatementContext.argument(),
getReference(source, subStatementContext));