BASE_EXPORT_PRIVATE 13 base/base_export.h #define BASE_EXPORT_PRIVATE __declspec(dllexport) BASE_EXPORT_PRIVATE 16 base/base_export.h #define BASE_EXPORT_PRIVATE __declspec(dllimport) BASE_EXPORT_PRIVATE 22 base/base_export.h #define BASE_EXPORT_PRIVATE __attribute__((visibility("default"))) BASE_EXPORT_PRIVATE 25 base/base_export.h #define BASE_EXPORT_PRIVATE BASE_EXPORT_PRIVATE 31 base/base_export.h #define BASE_EXPORT_PRIVATE