TopBottomAssociation# class ansys.edb.core.layer.layer.TopBottomAssociation(value)# Provides an enum representing the top-bottom association of layers. Attributes TopBottomAssociation.TOP_ASSOCIATED TopBottomAssociation.NO_TOP_BOTTOM_ASSOCIATED TopBottomAssociation.BOTTOM_ASSOCIATED TopBottomAssociation.TOP_BOTTOM_ASSOCIATION_COUNT TopBottomAssociation.INVALID_TOP_BOTTOM_ASSOCIATION