pub unsafe extern "C" fn sqlite3_rtree_geometry_callback(
db: *mut sqlite3,
zGeom: *const c_char,
xGeom: Option<unsafe extern "C" fn(arg1: *mut sqlite3_rtree_geometry, arg2: c_int, arg3: *mut sqlite3_rtree_dbl, arg4: *mut c_int) -> c_int>,
pContext: *mut c_void,
) -> c_int