in commons-fileupload2-core/src/main/java/org/apache/commons/fileupload2/core/MultipartInput.java [400:412]
public long skip(final long bytes) throws IOException {
checkOpen();
var available = available();
if (available == 0) {
available = makeAvailable();
if (available == 0) {
return 0;
}
}
final var res = Math.min(available, bytes);
head += res;
return res;
}