diff --git a/include/al/byaml/ByamlIter.h b/include/al/byaml/ByamlIter.h
index 21e9e673..f77bf301 100644
--- a/include/al/byaml/ByamlIter.h
+++ b/include/al/byaml/ByamlIter.h
@@ -1,10 +1,64 @@
 #pragma once
 
+#include "al/byaml/ByamlData.h"
+
 namespace al
 {
     class ByamlIter
     {
     public:
+        ByamlIter();
+        ByamlIter(const char *);
+        ByamlIter(const char *,  const char *);
+
+        bool isValid() const;
+        bool isTypeHash() const;
+        bool isTypeArray() const;
+        bool isTypeContainer() const;
+        bool isExistKey(char const *key) const;
+        int getKeyIndex(char const *key) const;
+        bool isInvertOrder() const;
+        unsigned int getSize() const;
+        al::ByamlIter* getIterByIndex(int index) const;
+        bool getByamlDataByIndex(al::ByamlData *, int index) const;
+        al::ByamlIter* getIterByKey(char const *) const;
+        bool getByamlDataByKey(al::ByamlData *, char const *) const;
+        bool getByamlDataByKeyIndex(al::ByamlData *, int) const;
+        bool getByamlDataAndKeyName(al::ByamlData *, char const **, int) const;
+        bool getKeyName(char const **, int) const;
+        bool tryGetIterByIndex(al::ByamlIter *, int) const;
+        bool tryGetIterAndKeyNameByIndex(al::ByamlIter *,char const **, int) const;
+        bool tryGetIterByKey(al::ByamlIter *,char const *) const;
+        bool tryGetStringByKey(char const **, char const *) const;
+        bool tryConvertString(char const **, al::ByamlData const *) const;
+        bool tryGetBinaryByKey(char const **, int *, char const *) const;
+        bool tryGetBinary(char const **, int *, al::ByamlData const *) const;
+        bool tryGetBoolByKey(bool *, char const *) const;
+        bool tryConvertBool(bool *, al::ByamlData const *) const;
+        bool tryGetInt32ByKey(int *, char const *) const;
+        bool tryConvertInt32(int *, al::ByamlData const *) const;
+        bool tryGetUInt32ByKey(unsigned int *, char const *) const;
+        bool tryConvertUInt32(unsigned int *, al::ByamlData const *) const;
+        bool tryGetFloatByKey(float *, char const *) const;
+        bool tryConvertFloat(float *, al::ByamlData const *) const;
+        bool tryGetInt64ByKey(long *, char const *) const;
+        bool tryConvertInt64(long *, al::ByamlData const *) const;
+        bool tryGetUInt64ByKey(unsigned long *, char const *) const;
+        bool tryConvertUInt64(unsigned long *, al::ByamlData const *) const;
+        bool tryGetDoubleByKey(double *, char const *) const;
+        bool tryConvertDouble(double *, al::ByamlData const *) const;
+        bool tryGetStringByIndex(char const **, int) const;
+        bool tryGetBinaryByIndex(char const **, int *, int) const;
+        bool tryGetBoolByIndex(bool *, int) const;
+        bool tryGetInt32ByIndex(int *, int) const;
+        bool tryGetUInt32ByIndex(unsigned int *, int) const;
+        bool tryGetFloatByindex(float *, int) const;
+        bool tryGetInt64ByIndex(long *, int) const;
+        bool tryGetUInt64ByIndex(unsigned long *, int) const;
+        bool tryGetDoubleByIndex(double *, int) const;
+        bool tryConvertIter(al::ByamlIter *, al::ByamlData const *) const;
+        bool isEqualData(al::ByamlIter const&) const;
+
         const unsigned char* mData; // _0
         const unsigned long mDataOffset; // _8
     };