pub fn sparql_lov_undefined_prefix_completion(
query: Query<'_, '_, (&TokenComponent, &Element<Sparql>, &Prefixes, &mut CompletionRequest)>,
)
pub fn sparql_lov_undefined_prefix_completion(
query: Query<'_, '_, (&TokenComponent, &Element<Sparql>, &Prefixes, &mut CompletionRequest)>,
)