NodeQuery member(String name) {
        queries.add((node, result) -> {
            if (node == null || !node.isObjectNode()) {
                return;
            }
            node.expectObjectNode().getMember(name).ifPresent(result::add);
        });
        return this;
    }
Searches {@link Node}s to find matching children. Each search
condition is executed on the result of the previous search,
and the results are aggregated.
smithy-model/src/main/java/software/amazon/smithy/model/neighbor/NodeQuery.java