public Optional<Trait> findMemberTrait(Model model, String traitName) {
        return findTrait(traitName);
    }
Gets a trait from the member shape or from the shape targeted by the
member.

<p>If the shape is not a member, then the method functions the same as
{@link #findTrait(String)}.

@param model Model used to find member targets.
@param traitName Trait name to get.
@return Returns the optionally found trait on the shape or member.
@see MemberShape#findTrait(String)
smithy-model/src/main/java/software/amazon/smithy/model/shapes/Shape.java