@Override
    public ShapeId toShapeId() {
        return this;
    }
Creates a new Shape.Id with a member add to it.

@param member Member to set.
@return returns a new Shape.Id
@throws ShapeIdSyntaxException if the member name syntax is invalid.
smithy-model/src/main/java/software/amazon/smithy/model/shapes/ShapeId.java