public Optional<Integer> getColumn() {
        return Optional.ofNullable(column);
    }
Gets this ShapeLink's column number in an optional container.
Column is the column number in the file that contains the artifact component.

@return Optional container holding this ShapeLink's column number
smithy-codegen-core/src/main/java/software/amazon/smithy/codegen/core/trace/ShapeLink.java