c_gst_message_parse_step_start

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
void function(GstMessage* message, gboolean* active, GstFormat* format, guint64* amount, gdouble* rate, gboolean* flush, gboolean* intermediate) c_gst_message_parse_step_start;

Meta