c_gtk_source_gutter_get_renderer_at_pos

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)
GtkSourceGutterRenderer* function(GtkSourceGutter* gutter, gint x, gint y) c_gtk_source_gutter_get_renderer_at_pos;

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