"(*Trie).GetChildByOffset" is used to obtain a child node specified with the offset.
"(*Predictor).fillFirstAndSibling" fills "First" and "Sibling" of "Value" instead of sorting nodes by "Count" of "Value".
Fills "First" and "Sibling" of "Value" instead of sorting nodes by "Count" of "Value".
Fix: Access the element of "(*Predictor).valueSeq" with "(*Trie).Value".
Merge branch 'feature/fill-first-and-sibling'