c_gtk_snapshot_append_radial_gradient

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(GtkSnapshot* snapshot, graphene_rect_t* bounds, graphene_point_t* center, float hradius, float vradius, float start, float end, GskColorStop* stops, size_t nStops) c_gtk_snapshot_append_radial_gradient;

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