19 std::string R5_SDK_CORE_EXPORT StrToUpper(
const std::string &str);
    26 std::string R5_SDK_CORE_EXPORT StrToLower(
const std::string &str);
    33 std::string R5_SDK_CORE_EXPORT ToStr(DataType dataType);
    40 std::string R5_SDK_CORE_EXPORT ToStr(common::VideoFmt fmt);
    48 std::string R5_SDK_CORE_EXPORT Base64Encode(
const uint8_t *data, 
size_t inputLength);
    56 std::vector<uint8_t> R5_SDK_CORE_EXPORT Base64Decode(
const char *data, 
size_t inputLength);
    65 std::vector<std::string> R5_SDK_CORE_EXPORT splitString(std::string s, std::string delimiter, 
int maxEntriesCount = -1);
    72 void R5_SDK_CORE_EXPORT ltrim(std::string &s);
    79 void R5_SDK_CORE_EXPORT rtrim(std::string &s);
    86 void R5_SDK_CORE_EXPORT trim(std::string &s);
    93 std::string R5_SDK_CORE_EXPORT ltrimCopy(std::string s);
   100 std::string R5_SDK_CORE_EXPORT rtrimCopy(std::string s);
   107 std::string R5_SDK_CORE_EXPORT trimCopy(std::string s);