G_BEGIN_DECLS
+#define STRING_WFD_AUDIO_CODECS "wfd_audio_codecs"
+#define STRING_WFD_VIDEO_FORMATS "wfd_video_formats"
+#define STRING_WFD_3D_VIDEO_FORMATS "wfd_3d_video_formats"
+#define STRING_WFD_CONTENT_PROTECTION "wfd_content_protection"
+#define STRING_WFD_DISPLAY_EDID "wfd_display_edid"
+#define STRING_WFD_COUPLED_SINK "wfd_coupled_sink"
+#define STRING_WFD_TRIGGER_METHOD "wfd_trigger_method"
+#define STRING_WFD_PRESENTATION_URL "wfd_presentation_URL"
+#define STRING_WFD_CLIENT_RTP_PORTS "wfd_client_rtp_ports"
+#define STRING_WFD_ROUTE "wfd_route"
+#define STRING_WFD_I2C "wfd_I2C"
+#define STRING_WFD_AV_FORMAT_CHANGE_TIMING "wfd_av_format_change_timing"
+#define STRING_WFD_PREFERRED_DISPLAY_MODE "wfd_preferred_display_mode"
+#define STRING_WFD_UIBC_CAPABILITY "wfd_uibc_capability"
+#define STRING_WFD_UIBC_SETTING "wfd_uibc_setting"
+#define STRING_WFD_STANDBY_RESUME_CAPABILITY "wfd_standby_resume_capability"
+#define STRING_WFD_STANDBY "wfd_standby"
+#define STRING_WFD_CONNECTOR_TYPE "wfd_connector_type"
+#define STRING_WFD_IDR_REQUEST "wfd_idr_request"
+
/**
* WFDResult:
* @WFD_OK: A successful return value