public Optional<MemberShape> getMember(String name) {
        return Optional.ofNullable(getAllMembers().get(name));
    }
Get a specific member by name.

<p>Shapes with no members return an empty Optional.

@param name Name of the member to retrieve.
@return Returns the optional member.
smithy-model/src/main/java/software/amazon/smithy/model/shapes/Shape.java