112 static std::string FlagToEnvVar(const char* flag) {  in FlagToEnvVar()
124 bool BoolFromEnv(const char* flag, bool default_val) {  in BoolFromEnv()
130 int32_t Int32FromEnv(const char* flag, int32_t default_val) {  in Int32FromEnv()
142 double DoubleFromEnv(const char* flag, double default_val) {  in DoubleFromEnv()
154 const char* StringFromEnv(const char* flag, const char* default_val) {  in StringFromEnv()
161     const char* flag, std::map<std::string, std::string> default_val) {  in KvPairsFromEnv()
179 const char* ParseFlagValue(const char* str, const char* flag,  in ParseFlagValue()
204 bool ParseBoolFlag(const char* str, const char* flag, bool* value) {  in ParseBoolFlag()
216 bool ParseInt32Flag(const char* str, const char* flag, int32_t* value) {  in ParseInt32Flag()
228 bool ParseDoubleFlag(const char* str, const char* flag, double* value) {  in ParseDoubleFlag()
240 bool ParseStringFlag(const char* str, const char* flag, std::string* value) {  in ParseStringFlag()
251 bool ParseKeyValueFlag(const char* str, const char* flag,  in ParseKeyValueFlag()
266 bool IsFlag(const char* str, const char* flag) {  in IsFlag()