pub fn find_annotation(
annotations: &Option<Vec<Annotation>>,
predicate: &IriS,
prefixmap: &PrefixMap,
) -> Result<Option<ObjectValue>, PrefixMapError>
pub fn find_annotation(
annotations: &Option<Vec<Annotation>>,
predicate: &IriS,
prefixmap: &PrefixMap,
) -> Result<Option<ObjectValue>, PrefixMapError>