public AdverseReactionExposureComponent copy(AdverseReaction e) { AdverseReactionExposureComponent dst = e.new AdverseReactionExposureComponent(); dst.exposureDate = exposureDate == null ? null : exposureDate.copy(); dst.exposureType = exposureType == null ? null : exposureType.copy(); dst.causalityExpectation = causalityExpectation == null ? null : causalityExpectation.copy(); dst.substance = substance == null ? null : substance.copy(); return dst; }