Add the suggestion algorithm of words with space proximity

Bug: 3311719

Change-Id: Ide12a4a6280103c092fa0f563dd5b9e3f7f5c89b
diff --git a/native/src/unigram_dictionary.h b/native/src/unigram_dictionary.h
index 8a4b40e..7359481 100644
--- a/native/src/unigram_dictionary.h
+++ b/native/src/unigram_dictionary.h
@@ -64,7 +64,11 @@
             const bool traverseAllNodes, const int snr, const int inputIndex, const int diffs,
             const int skipPos, const int excessivePos, const int transposedPos, int *nextLetters,
             const int nextLettersSize);
+    bool getSplitTwoWordsSuggestion(const int inputLength,
+            const int firstWordStartPos, const int firstWordLength,
+            const int secondWordStartPos, const int secondWordLength);
     bool getMissingSpaceWords(const int inputLength, const int missingSpacePos);
+    bool getMistypedSpaceWords(const int inputLength, const int spaceProximityPos);
     // Keep getWordsOld for comparing performance between getWords and getWordsOld
     void getWordsOld(const int initialPos, const int inputLength, const int skipPos,
             const int excessivePos, const int transposedPos, int *nextLetters,