rel_properties_query = '\nCALL apoc.meta.data(
)\nYIELD label, other, elementType, type, property\nWHERE NOT type = "RELATIONSHIP" AND elementType = "relationship"\n AND NOT label in $EXCLUDED_LABELS\nWITH label AS nodeLabels, collect({property:property, type:type}
) AS properties\nRETURN {type: nodeLabels, properties: properties} AS output\n'