pub trait PossibleTypesExtension {
// Required method
fn possible_types<'a>(&self, schema: &'a Document) -> Vec<&'a ObjectType> ⓘ;
}
pub trait PossibleTypesExtension {
// Required method
fn possible_types<'a>(&self, schema: &'a Document) -> Vec<&'a ObjectType> ⓘ;
}