fn parse_component_presence_test(
reader: &mut StringReader<'_>,
key_start: ReaderCursor,
key: Identifier,
) -> Result<ItemPredicateTerm, CommandSyntaxError>fn parse_component_presence_test(
reader: &mut StringReader<'_>,
key_start: ReaderCursor,
key: Identifier,
) -> Result<ItemPredicateTerm, CommandSyntaxError>