@Nullable
private String extractReturnType() {
final String ARROW = "->";
final StructuredDocString structuredDocString = getStructuredDocString();
if (structuredDocString != null) {
return structuredDocString.getReturnType();
}
final String docString = getDocStringValue();
if (docString != null && docString.contains(ARROW)) {
final List<String> lines = StringUtil.split(docString, "\n");
while (lines.size() > 0 && lines.get(0).trim().length() == 0) {
lines.remove(0);
}
if (lines.size() > 1 && lines.get(1).trim().length() == 0) {
String firstLine = lines.get(0);
int pos = firstLine.lastIndexOf(ARROW);
if (pos >= 0) {
return firstLine.substring(pos + 2).trim();
}
}
}
return null;
}
