addLinesAfter method
Adds a sete of lines after the first line containing match
Implementation
void addLinesAfter(AFCommandContext context, RegExp match, List<String> toInsert) {
modified = true;
final idx = firstLineContaining(context, match);
if(idx < 0) {
_throwMissingMatchRegex(match);
} else {
lines.insertAll(idx+1, toInsert);
}
}