in src/main/java/org/apache/sling/tracer/internal/PrefixExcludeFilter.java [37:46]
public static PrefixExcludeFilter from(String filter) {
final List<String> prefixes = new ArrayList<>();
for(String v : filter.split("\\|")) {
v = v.trim();
if (!v.isEmpty()) {
prefixes.add(v);
}
}
return new PrefixExcludeFilter(prefixes);
}