diff --git a/backend/src/main/java/com/bakdata/conquery/apiv1/forms/Form.java b/backend/src/main/java/com/bakdata/conquery/apiv1/forms/Form.java
index 783015148c..451c39d333 100644
--- a/backend/src/main/java/com/bakdata/conquery/apiv1/forms/Form.java
+++ b/backend/src/main/java/com/bakdata/conquery/apiv1/forms/Form.java
@@ -14,6 +14,7 @@
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.google.common.collect.ClassToInstanceMap;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.Setter;
@@ -21,6 +22,7 @@
 /**
  * API representation of a form query.
  */
+@EqualsAndHashCode
 public abstract class Form implements QueryDescription {
 
 	/**
@@ -30,6 +32,7 @@ public abstract class Form implements QueryDescription {
 	@Nullable
 	@Getter
 	@Setter
+	@EqualsAndHashCode.Exclude
 	private JsonNode values;
 
 	@JsonIgnore
diff --git a/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/AbsoluteMode.java b/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/AbsoluteMode.java
index 1b7e00d556..c71dbd788c 100644
--- a/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/AbsoluteMode.java
+++ b/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/AbsoluteMode.java
@@ -18,12 +18,14 @@
 import com.bakdata.conquery.models.query.QueryResolveContext;
 import com.bakdata.conquery.models.query.Visitable;
 import com.fasterxml.jackson.annotation.JsonView;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
 @CPSType(id = "ABSOLUTE", base = Mode.class)
+@EqualsAndHashCode(callSuper = true, doNotUseGetters = true)
 public class AbsoluteMode extends Mode {
 	@NotNull
 	@Valid
@@ -35,6 +37,7 @@ public class AbsoluteMode extends Mode {
 
 
 	@JsonView(View.InternalCommunication.class)
+	@EqualsAndHashCode.Exclude
 	private ArrayConceptQuery resolvedFeatures;
 
 	@Override
diff --git a/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/EntityDateMode.java b/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/EntityDateMode.java
index 619c5668db..a7223e4e69 100644
--- a/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/EntityDateMode.java
+++ b/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/EntityDateMode.java
@@ -19,6 +19,7 @@
 import com.bakdata.conquery.models.query.QueryResolveContext;
 import com.bakdata.conquery.models.query.Visitable;
 import com.fasterxml.jackson.annotation.JsonView;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -43,6 +44,7 @@ public void visit(Consumer<Visitable> visitor) {
 
 
 	@JsonView(View.InternalCommunication.class)
+	@EqualsAndHashCode.Exclude
 	private ArrayConceptQuery resolvedFeatures;
 
 	@Override
diff --git a/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/ExportForm.java b/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/ExportForm.java
index 7021a7d74e..381e4bf70d 100644
--- a/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/ExportForm.java
+++ b/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/ExportForm.java
@@ -39,6 +39,7 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.google.common.collect.ImmutableList;
 import lombok.AccessLevel;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 import lombok.Setter;
@@ -46,6 +47,7 @@
 @Getter
 @Setter
 @CPSType(id = "EXPORT_FORM", base = QueryDescription.class)
+@EqualsAndHashCode(callSuper = true)
 public class ExportForm extends Form implements InternalForm {
 
 	@NotNull
@@ -53,6 +55,7 @@ public class ExportForm extends Form implements InternalForm {
 	private ManagedExecutionId queryGroupId;
 
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private ManagedQuery queryGroup;
 
 	@NotNull
@@ -61,6 +64,7 @@ public class ExportForm extends Form implements InternalForm {
 	private Mode timeMode;
 
 	@NotEmpty
+	@Valid
 	private List<CQElement> features = ImmutableList.of();
 
 	@NotNull
@@ -70,8 +74,10 @@ public class ExportForm extends Form implements InternalForm {
 	private boolean alsoCreateCoarserSubdivisions = false;
 
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private Query prerequisite;
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private List<Resolution> resolvedResolutions;
 	@Override
 	public void visit(Consumer<Visitable> visitor) {
diff --git a/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/Mode.java b/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/Mode.java
index c44b6d525a..56243c6db2 100644
--- a/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/Mode.java
+++ b/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/Mode.java
@@ -6,16 +6,19 @@
 import com.bakdata.conquery.models.query.Visitable;
 import com.fasterxml.jackson.annotation.JsonBackReference;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
 @JsonTypeInfo(use = JsonTypeInfo.Id.CUSTOM, include = JsonTypeInfo.As.PROPERTY, property = "value")
 @CPSBase
+@EqualsAndHashCode
 public abstract class Mode implements Visitable {
 
 	@Getter
 	@Setter
 	@JsonBackReference
+	@EqualsAndHashCode.Exclude
 	private ExportForm form;
 
 	public abstract void resolve(QueryResolveContext context);
diff --git a/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/RelativeMode.java b/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/RelativeMode.java
index 9c4d0f24e6..07c5007341 100644
--- a/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/RelativeMode.java
+++ b/backend/src/main/java/com/bakdata/conquery/apiv1/forms/export_form/RelativeMode.java
@@ -17,11 +17,13 @@
 import com.bakdata.conquery.models.query.QueryResolveContext;
 import com.bakdata.conquery.models.query.Visitable;
 import com.fasterxml.jackson.annotation.JsonView;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter @Setter
-@CPSType(id="RELATIVE", base=Mode.class)
+@CPSType(id = "RELATIVE", base = Mode.class)
+@EqualsAndHashCode(callSuper = true)
 public class RelativeMode extends Mode {
 	@NotNull
 	private CalendarUnit timeUnit;
@@ -36,6 +38,7 @@ public class RelativeMode extends Mode {
 
 
 	@JsonView(View.InternalCommunication.class)
+	@EqualsAndHashCode.Exclude
 	private ArrayConceptQuery resolvedFeatures;
 
 	@Override
diff --git a/backend/src/main/java/com/bakdata/conquery/apiv1/query/CQElement.java b/backend/src/main/java/com/bakdata/conquery/apiv1/query/CQElement.java
index 6f4a9fe289..704e672cb8 100644
--- a/backend/src/main/java/com/bakdata/conquery/apiv1/query/CQElement.java
+++ b/backend/src/main/java/com/bakdata/conquery/apiv1/query/CQElement.java
@@ -23,11 +23,13 @@
 import com.bakdata.conquery.models.query.resultinfo.ResultInfo;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
 @JsonTypeInfo(use = JsonTypeInfo.Id.CUSTOM, property = "type")
 @CPSBase
+@EqualsAndHashCode
 public abstract class CQElement implements Visitable {
 
 	/**
diff --git a/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/filter/CQTable.java b/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/filter/CQTable.java
index 52a17dd036..bea2268426 100644
--- a/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/filter/CQTable.java
+++ b/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/filter/CQTable.java
@@ -18,6 +18,7 @@
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import io.dropwizard.validation.ValidationMethod;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
@@ -25,6 +26,7 @@
 @Getter
 @Setter
 @ToString(exclude = "concept")
+@EqualsAndHashCode
 public class CQTable {
 	@Valid
 	@NotNull
@@ -35,6 +37,7 @@ public class CQTable {
 	private List<Select> selects = Collections.emptyList();
 
 	@JsonBackReference
+	@EqualsAndHashCode.Exclude
 	private CQConcept concept;
 
 	@NsIdRef
diff --git a/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/filter/FilterValue.java b/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/filter/FilterValue.java
index 07b71dc1e3..681899eeed 100644
--- a/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/filter/FilterValue.java
+++ b/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/filter/FilterValue.java
@@ -27,6 +27,7 @@
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
 import com.fasterxml.jackson.databind.exc.InvalidTypeIdException;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.RequiredArgsConstructor;
@@ -40,6 +41,7 @@
 @NoArgsConstructor
 @JsonTypeInfo(use = JsonTypeInfo.Id.CUSTOM, property = "type")
 @CPSBase
+@EqualsAndHashCode
 @ToString(of = "value")
 public abstract class FilterValue<VALUE> {
 	@NotNull
diff --git a/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/specific/CQConcept.java b/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/specific/CQConcept.java
index bc87a4205f..4c0a2004fd 100644
--- a/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/specific/CQConcept.java
+++ b/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/specific/CQConcept.java
@@ -49,6 +49,7 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonView;
 import io.dropwizard.validation.ValidationMethod;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
@@ -59,6 +60,7 @@
 @CPSType(id = "CONCEPT", base = CQElement.class)
 @Slf4j
 @ToString
+@EqualsAndHashCode(callSuper = true, doNotUseGetters = true)
 public class CQConcept extends CQElement implements NamespacedIdentifiableHolding, ExportForm.DefaultSelectSettable {
 
 	/**
diff --git a/backend/src/main/java/com/bakdata/conquery/models/auth/entities/User.java b/backend/src/main/java/com/bakdata/conquery/models/auth/entities/User.java
index f8c8094900..e030532d12 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/auth/entities/User.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/auth/entities/User.java
@@ -43,7 +43,7 @@ public class User extends PermissionOwner<UserId> implements Principal, RoleOwne
 	private final transient ShiroUserAdapter shiroUserAdapter;
 
 	@JsonCreator
-	public User(String name, String label) {
+	protected User(String name, String label) {
 		this(name, label, null);
 	}
 
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/Column.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/Column.java
index c3f6c59b4e..1819a3f59c 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/Column.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/Column.java
@@ -26,6 +26,7 @@
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.google.common.base.Preconditions;
 import io.dropwizard.validation.ValidationMethod;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
@@ -42,6 +43,7 @@ public class Column extends Labeled<ColumnId> implements NamespacedIdentifiable<
 
 	@JsonBackReference
 	@NotNull
+	@EqualsAndHashCode.Exclude
 	private Table table;
 	@NotNull
 	private MajorTypeId type;
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/ImportColumn.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/ImportColumn.java
index 81897a6aa2..598cb307cd 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/ImportColumn.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/ImportColumn.java
@@ -11,13 +11,16 @@
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.RequiredArgsConstructor;
 
 @Data
 @RequiredArgsConstructor(onConstructor_ = {@JsonCreator})
 public class ImportColumn extends NamedImpl<ImportColumnId> implements NamespacedIdentifiable<ImportColumnId> {
 	// TODO reduce usage of this class, it does nothing except hold a description
-	@JsonBackReference @NotNull
+	@JsonBackReference
+	@NotNull
+	@EqualsAndHashCode.Exclude
 	private final Import parent;
 
 	// Only used on ManagerNode for com.bakdata.conquery.models.datasets.concepts.filters.specific.AbstractSelectFilter.addImport
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Concept.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Concept.java
index ab470f621d..e18fcd195c 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Concept.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Concept.java
@@ -30,6 +30,7 @@
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonManagedReference;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
@@ -42,6 +43,7 @@
 @ToString(of = {"connectors"})
 @Getter
 @Setter
+@EqualsAndHashCode(callSuper = true)
 public abstract class Concept<CONNECTOR extends Connector> extends ConceptElement<ConceptId> implements Authorized {
 
 	/**
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/ConceptElement.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/ConceptElement.java
index 77da68d313..68efca1c56 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/ConceptElement.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/ConceptElement.java
@@ -12,9 +12,11 @@
 import com.bakdata.conquery.models.identifiable.ids.specific.ConceptElementId;
 import com.bakdata.conquery.models.identifiable.ids.specific.ConceptTreeChildId;
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
+@EqualsAndHashCode(callSuper = true)
 public abstract class ConceptElement<ID extends ConceptElementId<? extends ConceptElement<? extends ID>>> extends Labeled<ID> implements NamespacedIdentifiable<ID> {
 
 	@Getter
@@ -38,12 +40,12 @@ public abstract class ConceptElement<ID extends ConceptElementId<? extends Conce
 	public ConceptTreeChild getChildById(ConceptTreeChildId conceptTreeChildId) {
 		throw new UnsupportedOperationException("The concept "+this+" has no children. Was looking for "+conceptTreeChildId);
 	}
-	
+
 	@Override
 	public String toString() {
 		return String.format("%s[%s]", this.getClass().getSimpleName(), getLabel());
 	}
-	
+
 	@JsonIgnore
 	public abstract Concept<?> getConcept();
 
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Connector.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Connector.java
index d76bc544aa..b9b73e1a7c 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Connector.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Connector.java
@@ -29,6 +29,7 @@
 import com.google.common.collect.Multiset.Entry;
 import io.dropwizard.validation.ValidationMethod;
 import lombok.AccessLevel;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
@@ -52,6 +53,7 @@ public abstract class Connector extends Labeled<ConnectorId> implements SelectHo
 	private List<ValidityDate> validityDates = new ArrayList<>();
 
 	@JsonBackReference
+	@EqualsAndHashCode.Exclude
 	private Concept<?> concept;
 
 	@JsonIgnore
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/StructureNode.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/StructureNode.java
index 9b96172fe8..42c74d823d 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/StructureNode.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/StructureNode.java
@@ -7,15 +7,15 @@
 import javax.validation.Valid;
 import javax.validation.constraints.NotNull;
 
-import com.bakdata.conquery.io.jackson.serializer.NsIdRef;
 import com.bakdata.conquery.apiv1.KeyValue;
+import com.bakdata.conquery.io.jackson.serializer.NsIdRef;
 import com.bakdata.conquery.models.datasets.Dataset;
 import com.bakdata.conquery.models.identifiable.Labeled;
 import com.bakdata.conquery.models.identifiable.ids.specific.ConceptId;
 import com.bakdata.conquery.models.identifiable.ids.specific.StructureNodeId;
 import com.fasterxml.jackson.annotation.JsonBackReference;
 import com.fasterxml.jackson.annotation.JsonManagedReference;
-
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
@@ -32,6 +32,7 @@ public class StructureNode extends Labeled<StructureNodeId> {
 	@Valid @JsonManagedReference(MANAGED_STRUCTURE_STRUCTURE)
 	private List<StructureNode> children = Collections.emptyList();
 	@JsonBackReference(MANAGED_STRUCTURE_STRUCTURE)
+	@EqualsAndHashCode.Exclude
 	private StructureNode parent;
 	@Getter
 	private LinkedHashSet<ConceptId> containedRoots = new LinkedHashSet<>();
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/ValidityDate.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/ValidityDate.java
index a827c86e47..5bdbe1c8bf 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/ValidityDate.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/ValidityDate.java
@@ -11,6 +11,7 @@
 import com.fasterxml.jackson.annotation.JsonBackReference;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import io.dropwizard.validation.ValidationMethod;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
@@ -26,6 +27,7 @@ public class ValidityDate extends Labeled<ValidityDateId> implements NamespacedI
 	@NotNull
 	private Column column;
 	@JsonBackReference
+	@EqualsAndHashCode.Exclude
 	private Connector connector;
 
 	@Override
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/filters/Filter.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/filters/Filter.java
index 98097bc40c..4447e29f9f 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/filters/Filter.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/filters/Filter.java
@@ -17,6 +17,7 @@
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import io.dropwizard.validation.ValidationMethod;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
@@ -31,12 +32,14 @@
 @JsonTypeInfo(use = JsonTypeInfo.Id.CUSTOM, property = "type")
 @CPSBase
 @Slf4j
+@EqualsAndHashCode(callSuper = true)
 public abstract class Filter<FILTER_VALUE> extends Labeled<FilterId> implements NamespacedIdentifiable<FilterId> {
 
 	private String unit;
 	@JsonAlias("description")
 	private String tooltip;
 	@JsonBackReference
+	@EqualsAndHashCode.Exclude
 	private Connector connector;
 	private String pattern;
 	private Boolean allowDropFile;
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/select/Select.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/select/Select.java
index b66174f619..182d13ab59 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/select/Select.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/select/Select.java
@@ -22,17 +22,22 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import io.dropwizard.validation.ValidationMethod;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
 import org.jetbrains.annotations.NotNull;
 
-@JsonTypeInfo(use=JsonTypeInfo.Id.CUSTOM, property="type")
+@JsonTypeInfo(use = JsonTypeInfo.Id.CUSTOM, property = "type")
 @CPSBase
 @Slf4j
+@EqualsAndHashCode(callSuper = true)
 public abstract class Select extends Labeled<SelectId> implements NamespacedIdentifiable<SelectId> {
 
-	@JsonBackReference @Getter @Setter
+	@EqualsAndHashCode.Exclude
+	@JsonBackReference
+	@Getter
+	@Setter
 	private SelectHolder<?> holder;
 
 	@JsonIgnore
@@ -41,7 +46,8 @@ public Dataset getDataset() {
 		return getHolder().findConcept().getDataset();
 	}
 
-	@Setter @Getter
+	@Setter
+	@Getter
 	private String description;
 
 	/**
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/tree/ConceptTreeChild.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/tree/ConceptTreeChild.java
index 829eed8120..7e941a607d 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/tree/ConceptTreeChild.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/tree/ConceptTreeChild.java
@@ -14,6 +14,7 @@
 import com.fasterxml.jackson.annotation.JsonBackReference;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonManagedReference;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -32,6 +33,7 @@ public class ConceptTreeChild extends ConceptElement<ConceptTreeChildId> impleme
 	@JsonBackReference
 	@Getter
 	@Setter
+	@EqualsAndHashCode.Exclude
 	private ConceptTreeNode<?> parent;
 	@JsonIgnore
 	@Getter
diff --git a/backend/src/main/java/com/bakdata/conquery/models/execution/ManagedExecution.java b/backend/src/main/java/com/bakdata/conquery/models/execution/ManagedExecution.java
index 305fc7c18b..047ecc25eb 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/execution/ManagedExecution.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/execution/ManagedExecution.java
@@ -52,6 +52,7 @@
 import com.google.common.base.Preconditions;
 import com.google.common.util.concurrent.Uninterruptibles;
 import lombok.AccessLevel;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.Setter;
@@ -66,6 +67,7 @@
 @Slf4j
 @CPSBase
 @JsonTypeInfo(use = JsonTypeInfo.Id.CUSTOM, property = "type")
+@EqualsAndHashCode(callSuper = false)
 public abstract class ManagedExecution extends IdentifiableImpl<ManagedExecutionId> implements Taggable, Shareable, Labelable, Owned, Visitable {
 
 	/**
@@ -94,28 +96,38 @@ public abstract class ManagedExecution extends IdentifiableImpl<ManagedExecution
 
 	// we don't want to store or send query results or other result metadata
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private transient ExecutionState state = ExecutionState.NEW;
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private transient CountDownLatch execution;
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private transient LocalDateTime startTime;
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private transient LocalDateTime finishTime;
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private transient ConqueryErrorInfo error;
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private transient Float progress;
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private transient boolean initialized = false;
 
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private transient Namespace namespace;
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private transient ConqueryConfig config;
 
 	@JsonIgnore
 	@Getter(AccessLevel.PROTECTED)
 	@NotNull
+	@EqualsAndHashCode.Exclude
 	private final MetaStorage storage;
 
 	protected ManagedExecution(@JacksonInject(useInput = OptBoolean.FALSE) MetaStorage storage) {
diff --git a/backend/src/main/java/com/bakdata/conquery/models/forms/managed/ManagedForm.java b/backend/src/main/java/com/bakdata/conquery/models/forms/managed/ManagedForm.java
index 63b8001e0b..410460a5ac 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/forms/managed/ManagedForm.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/forms/managed/ManagedForm.java
@@ -4,7 +4,6 @@
 
 import com.bakdata.conquery.apiv1.forms.Form;
 import com.bakdata.conquery.apiv1.forms.FormConfigAPI;
-import com.bakdata.conquery.apiv1.query.QueryDescription;
 import com.bakdata.conquery.io.cps.CPSType;
 import com.bakdata.conquery.io.storage.MetaStorage;
 import com.bakdata.conquery.models.auth.entities.User;
@@ -16,41 +15,44 @@
 import com.fasterxml.jackson.annotation.JacksonInject;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.OptBoolean;
+import com.fasterxml.jackson.databind.DatabindContext;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
-import lombok.Setter;
 import lombok.ToString;
 import lombok.extern.slf4j.Slf4j;
 
 /**
  * Internal runtime representation of a form query.
  */
-@Getter
-@Setter
 @ToString
 @Slf4j
 @EqualsAndHashCode(callSuper = true)
 @CPSType(id = "MANAGED_FORM", base = ManagedExecution.class)
-public class ManagedForm<F extends Form> extends ManagedExecution {
+public abstract class ManagedForm<F extends Form> extends ManagedExecution {
 
 	/**
-	 * The form that was submitted through the api.
+	 * The submitted form for this execution.
+	 *
+	 * @implNote We use the type {@link Form} here rather than the type parameter F.
+	 * Using F causes the class to have a concrete type at runtime which in turn skips
+	 * the object inspection of Jackson to look at the actual <code>type</code> member of the object (see {@link com.bakdata.conquery.io.cps.CPSTypeIdResolver#typeFromId(DatabindContext, String)}).
+	 * This causes a problem, when the object uses types with {@link com.bakdata.conquery.io.cps.SubTyped},
+	 * as the subtype is only added to the {@link com.fasterxml.jackson.databind.DeserializationContext}, when the
+	 * type is derived from the <pre>type</pre> member not when Jackson can just infer the deserializer from the type of
+	 * this property.
 	 */
-	private F submittedForm;
+	@Getter
+	private Form submittedForm;
 
 	protected ManagedForm(@JacksonInject(useInput = OptBoolean.FALSE) MetaStorage storage) {
 		super(storage);
 	}
 
-	public ManagedForm(F submittedForm, User owner, Dataset submittedDataset, MetaStorage storage) {
+	protected ManagedForm(F submittedForm, User owner, Dataset submittedDataset, MetaStorage storage) {
 		super(owner, submittedDataset, storage);
 		this.submittedForm = submittedForm;
 	}
 
-	@Override
-	protected void doInitExecutable() {
-
-	}
 
 	@Override
 	public void start() {
@@ -79,8 +81,8 @@ public void visit(Consumer<Visitable> visitor) {
 
 	@Override
 	@JsonIgnore
-	public QueryDescription getSubmitted() {
-		return submittedForm;
+	public F getSubmitted() {
+		return (F) submittedForm;
 	}
 
 
diff --git a/backend/src/main/java/com/bakdata/conquery/models/forms/managed/ManagedInternalForm.java b/backend/src/main/java/com/bakdata/conquery/models/forms/managed/ManagedInternalForm.java
index ce226b0292..67c15c0864 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/forms/managed/ManagedInternalForm.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/forms/managed/ManagedInternalForm.java
@@ -41,6 +41,7 @@
 @Slf4j
 @CPSType(base = ManagedExecution.class, id = "INTERNAL_FORM")
 @Getter
+@EqualsAndHashCode(callSuper = true)
 public class ManagedInternalForm<F extends Form & InternalForm> extends ManagedForm<F> implements SingleTableResult, InternalExecution<FormShardResult> {
 
 
@@ -49,10 +50,11 @@ public class ManagedInternalForm<F extends Form & InternalForm> extends ManagedF
 	 * This is required by forms that have multiple results (CSVs) as output.
 	 */
 	@JsonIgnore
+	@EqualsAndHashCode.Exclude
 	private Map<String, ManagedQuery> subQueries;
 
 	/**
-	 * Subqueries that are send to the workers.
+	 * Subqueries that are sent to the workers.
 	 */
 	@JsonIgnore
 	@EqualsAndHashCode.Exclude
@@ -69,7 +71,7 @@ public ManagedInternalForm(F form, User user, Dataset submittedDataset, MetaStor
 	@Override
 	public void doInitExecutable() {
 		// Convert sub queries to sub executions
-		getSubmittedForm().resolve(new QueryResolveContext(getNamespace(), getConfig(), getStorage(), null));
+		getSubmitted().resolve(new QueryResolveContext(getNamespace(), getConfig(), getStorage(), null));
 		subQueries = createSubExecutions();
 
 		// Initialize sub executions
@@ -78,9 +80,9 @@ public void doInitExecutable() {
 
 	@NotNull
 	private Map<String, ManagedQuery> createSubExecutions() {
-		return getSubmittedForm().createSubQueries()
-								 .entrySet()
-								 .stream().collect(Collectors.toMap(
+		return getSubmitted().createSubQueries()
+							 .entrySet()
+							 .stream().collect(Collectors.toMap(
 						e -> e.getKey(),
 						e -> e.getValue().toManagedExecution(getOwner(), getDataset(), getStorage())
 
diff --git a/backend/src/main/java/com/bakdata/conquery/models/identifiable/ids/specific/ManagedExecutionId.java b/backend/src/main/java/com/bakdata/conquery/models/identifiable/ids/specific/ManagedExecutionId.java
index 32671646eb..f0a2d62e40 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/identifiable/ids/specific/ManagedExecutionId.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/identifiable/ids/specific/ManagedExecutionId.java
@@ -13,7 +13,7 @@
 
 @AllArgsConstructor
 @Getter
-@EqualsAndHashCode(callSuper = false)
+@EqualsAndHashCode(callSuper = false, doNotUseGetters = true)
 public class ManagedExecutionId extends Id<ManagedExecution> {
 
 	private final DatasetId dataset;
diff --git a/backend/src/main/java/com/bakdata/conquery/models/worker/WorkerInformation.java b/backend/src/main/java/com/bakdata/conquery/models/worker/WorkerInformation.java
index 925fac9ca6..45f8430a53 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/worker/WorkerInformation.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/worker/WorkerInformation.java
@@ -13,10 +13,13 @@
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.databind.ObjectWriter;
 import it.unimi.dsi.fastutil.ints.IntArraySet;
+import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.Setter;
 
-@Getter @Setter
+@Getter
+@Setter
+@EqualsAndHashCode(callSuper = true)
 public class WorkerInformation extends NamedImpl<WorkerId> implements MessageSender.Transforming<WorkerMessage, MessageToShardNode> {
 	@NotNull
 	private DatasetId dataset;
diff --git a/backend/src/test/java/com/bakdata/conquery/api/form/config/TestForm.java b/backend/src/test/java/com/bakdata/conquery/api/form/config/TestForm.java
index a7eff2196f..97f7d36c88 100644
--- a/backend/src/test/java/com/bakdata/conquery/api/form/config/TestForm.java
+++ b/backend/src/test/java/com/bakdata/conquery/api/form/config/TestForm.java
@@ -1,26 +1,34 @@
 package com.bakdata.conquery.api.form.config;
 
 import java.util.Collections;
+import java.util.Map;
 import java.util.Set;
 import java.util.function.Consumer;
 
 import com.bakdata.conquery.apiv1.forms.Form;
+import com.bakdata.conquery.apiv1.forms.InternalForm;
+import com.bakdata.conquery.apiv1.query.Query;
 import com.bakdata.conquery.apiv1.query.QueryDescription;
 import com.bakdata.conquery.io.cps.CPSType;
 import com.bakdata.conquery.io.storage.MetaStorage;
 import com.bakdata.conquery.models.auth.entities.User;
 import com.bakdata.conquery.models.datasets.Dataset;
 import com.bakdata.conquery.models.execution.ManagedExecution;
-import com.bakdata.conquery.models.forms.managed.ManagedForm;
+import com.bakdata.conquery.models.forms.managed.ManagedInternalForm;
 import com.bakdata.conquery.models.identifiable.ids.specific.ManagedExecutionId;
 import com.bakdata.conquery.models.query.QueryResolveContext;
 import com.bakdata.conquery.models.query.Visitable;
 
-public abstract class TestForm extends Form {
+public abstract class TestForm extends Form implements InternalForm {
 
 	@Override
 	public ManagedExecution toManagedExecution(User user, Dataset submittedDataset, MetaStorage storage) {
-		return new ManagedForm<TestForm>(this, user, submittedDataset, storage);
+		return new ManagedInternalForm<>(this, user, submittedDataset, storage);
+	}
+
+	@Override
+	public Map<String, Query> createSubQueries() {
+		return Collections.emptyMap();
 	}
 
 	@Override
diff --git a/backend/src/test/java/com/bakdata/conquery/io/jackson/serializer/SerializationTestUtil.java b/backend/src/test/java/com/bakdata/conquery/io/jackson/serializer/SerializationTestUtil.java
index 859a2d87f1..1bc5d7d178 100644
--- a/backend/src/test/java/com/bakdata/conquery/io/jackson/serializer/SerializationTestUtil.java
+++ b/backend/src/test/java/com/bakdata/conquery/io/jackson/serializer/SerializationTestUtil.java
@@ -59,6 +59,8 @@ public class SerializationTestUtil<T> {
 	@NonNull
 	private Injectable[] injectables = {};
 
+	private boolean forceHashCodeEqual = false;
+
 	public static <T> SerializationTestUtil<T> forType(TypeReference<T> type) {
 		return new SerializationTestUtil<>(Jackson.MAPPER.getTypeFactory().constructType(type));
 	}
@@ -77,6 +79,11 @@ public SerializationTestUtil<T> injectables(Injectable... injectables) {
 		return this;
 	}
 
+	public SerializationTestUtil<T> checkHashCode() {
+		this.forceHashCodeEqual = true;
+		return this;
+	}
+
 	public void test(T value, T expected) throws JSONException, IOException {
 		if (objectMappers == null || objectMappers.length == 0) {
 			fail("No objectmappers were set");
@@ -116,16 +123,19 @@ private void test(T value, T expected, ObjectMapper mapper) throws IOException {
 		}
 		ValidatorHelper.failOnError(log, validator.validate(copy));
 
-		//because IdentifiableImp cashes the hash
-		if (value instanceof IdentifiableImpl) {
+		if (forceHashCodeEqual) {
 			assertThat(copy.hashCode()).isEqualTo(value.hashCode());
 		}
 
+		// Preliminary check that ids of identifiables are equal
+		if (value instanceof IdentifiableImpl identifiableValue) {
+			assertThat(((IdentifiableImpl<?>) copy).getId()).as("the serialized value").isEqualTo(identifiableValue.getId());
+		}
+
 		RecursiveComparisonAssert<?> ass = assertThat(copy)
 				.as("Unequal after copy.")
 				.usingRecursiveComparison().ignoringFieldsOfTypes(TYPES_TO_IGNORE);
 
-
 		ass.isEqualTo(expected);
 	}
 }
diff --git a/backend/src/test/java/com/bakdata/conquery/models/SerializationTests.java b/backend/src/test/java/com/bakdata/conquery/models/SerializationTests.java
index f6a6ed5acc..26fc8d2a26 100644
--- a/backend/src/test/java/com/bakdata/conquery/models/SerializationTests.java
+++ b/backend/src/test/java/com/bakdata/conquery/models/SerializationTests.java
@@ -1,5 +1,7 @@
 package com.bakdata.conquery.models;
 
+import static com.bakdata.conquery.models.types.SerialisationObjectsUtil.*;
+
 import java.io.IOException;
 import java.time.LocalDate;
 import java.time.temporal.ChronoUnit;
@@ -23,6 +25,7 @@
 import com.bakdata.conquery.apiv1.forms.export_form.ExportForm;
 import com.bakdata.conquery.apiv1.query.ArrayConceptQuery;
 import com.bakdata.conquery.apiv1.query.ConceptQuery;
+import com.bakdata.conquery.apiv1.query.QueryDescription;
 import com.bakdata.conquery.apiv1.query.concept.filter.CQTable;
 import com.bakdata.conquery.apiv1.query.concept.specific.CQConcept;
 import com.bakdata.conquery.apiv1.query.concept.specific.CQOr;
@@ -46,7 +49,6 @@
 import com.bakdata.conquery.models.datasets.Dataset;
 import com.bakdata.conquery.models.datasets.Import;
 import com.bakdata.conquery.models.datasets.Table;
-import com.bakdata.conquery.models.datasets.concepts.ValidityDate;
 import com.bakdata.conquery.models.datasets.concepts.tree.ConceptTreeConnector;
 import com.bakdata.conquery.models.datasets.concepts.tree.TreeConcept;
 import com.bakdata.conquery.models.dictionary.Dictionary;
@@ -65,6 +67,7 @@
 import com.bakdata.conquery.models.forms.configs.FormConfig;
 import com.bakdata.conquery.models.forms.frontendconfiguration.FormConfigProcessor;
 import com.bakdata.conquery.models.forms.managed.AbsoluteFormQuery;
+import com.bakdata.conquery.models.forms.managed.ManagedInternalForm;
 import com.bakdata.conquery.models.forms.util.Alignment;
 import com.bakdata.conquery.models.forms.util.Resolution;
 import com.bakdata.conquery.models.identifiable.CentralRegistry;
@@ -282,60 +285,11 @@ public void table() throws JSONException, IOException {
 
 	@Test
 	public void treeConcept() throws IOException, JSONException {
-		Dataset dataset = new Dataset();
-		dataset.setName("datasetName");
-
-		TreeConcept concept = new TreeConcept();
-		concept.setDataset(dataset);
-		concept.setLabel("conceptLabel");
-		concept.setName("conceptName");
-
-		Table table = new Table();
-
-		Column column = new Column();
-		column.setLabel("colLabel");
-		column.setName("colName");
-		column.setType(MajorTypeId.STRING);
-		column.setTable(table);
-
-		Column dateColumn = new Column();
-		dateColumn.setLabel("colLabel2");
-		dateColumn.setName("colName2");
-		dateColumn.setType(MajorTypeId.DATE);
-		dateColumn.setTable(table);
-
-
-		table.setColumns(new Column[]{column, dateColumn});
-		table.setDataset(dataset);
-		table.setLabel("tableLabel");
-		table.setName("tableName");
-
-		column.setTable(table);
-
-		ConceptTreeConnector connector = new ConceptTreeConnector();
-		connector.setConcept(concept);
-		connector.setLabel("connLabel");
-		connector.setName("connName");
-		connector.setColumn(column);
-
-		concept.setConnectors(List.of(connector));
-
-		ValidityDate valDate = new ValidityDate();
-		valDate.setColumn(dateColumn);
-		valDate.setConnector(connector);
-		valDate.setLabel("valLabel");
-		valDate.setName("valName");
-		connector.setValidityDates(List.of(valDate));
 
 		CentralRegistry registry = getMetaStorage().getCentralRegistry();
+		Dataset dataset = createDataset(registry);
 
-		registry.register(dataset);
-		registry.register(concept);
-		registry.register(column);
-		registry.register(dateColumn);
-		registry.register(table);
-		registry.register(connector);
-		registry.register(valDate);
+		TreeConcept concept = createConcept(registry, dataset);
 
 		SerializationTestUtil
 				.forType(TreeConcept.class)
@@ -344,6 +298,7 @@ public void treeConcept() throws IOException, JSONException {
 				.test(concept);
 	}
 
+
 	@Test
 	public void persistentIdMap() throws JSONException, IOException {
 		SerializationTestUtil.forType(EntityIdMap.class)
@@ -356,9 +311,7 @@ public void persistentIdMap() throws JSONException, IOException {
 	public void formConfig() throws JSONException, IOException {
 		final CentralRegistry registry = getMetaStorage().getCentralRegistry();
 
-		final Dataset dataset = new Dataset("test-dataset");
-
-		registry.register(dataset);
+		final Dataset dataset = createDataset(registry);
 
 		ExportForm form = new ExportForm();
 		AbsoluteMode mode = new AbsoluteMode();
@@ -400,6 +353,45 @@ public void managedQuery() throws JSONException, IOException {
 							 .test(execution);
 	}
 
+	@Test
+	public void testExportForm() throws JSONException, IOException {
+
+		final CentralRegistry registry = getMetaStorage().getCentralRegistry();
+
+		final Dataset dataset = createDataset(registry);
+
+
+		registry.register(dataset);
+
+		final ExportForm exportForm = createExportForm(registry, dataset);
+
+		SerializationTestUtil.forType(QueryDescription.class)
+							 .objectMappers(getManagerInternalMapper(), getApiMapper())
+							 .registry(registry)
+							 .checkHashCode()
+							 .test(exportForm);
+	}
+
+	@Test
+	public void managedForm() throws JSONException, IOException {
+
+		final CentralRegistry registry = getMetaStorage().getCentralRegistry();
+
+		final Dataset dataset = createDataset(registry);
+
+		final User user = createUser(registry, getMetaStorage());
+
+		final ExportForm exportForm = createExportForm(registry, dataset);
+
+		ManagedInternalForm<ExportForm> execution = new ManagedInternalForm<>(exportForm, user, dataset, getMetaStorage());
+		execution.setTags(new String[]{"test-tag"});
+
+		SerializationTestUtil.forType(ManagedExecution.class)
+							 .objectMappers(getManagerInternalMapper(), getApiMapper())
+							 .registry(registry)
+							 .test(execution);
+	}
+
 	@Test
 	public void cqConcept() throws JSONException, IOException {
 
diff --git a/backend/src/test/java/com/bakdata/conquery/models/types/SerialisationObjectsUtil.java b/backend/src/test/java/com/bakdata/conquery/models/types/SerialisationObjectsUtil.java
new file mode 100644
index 0000000000..a27126bd39
--- /dev/null
+++ b/backend/src/test/java/com/bakdata/conquery/models/types/SerialisationObjectsUtil.java
@@ -0,0 +1,130 @@
+package com.bakdata.conquery.models.types;
+
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+import com.bakdata.conquery.apiv1.forms.export_form.AbsoluteMode;
+import com.bakdata.conquery.apiv1.forms.export_form.ExportForm;
+import com.bakdata.conquery.apiv1.query.concept.filter.CQTable;
+import com.bakdata.conquery.apiv1.query.concept.specific.CQConcept;
+import com.bakdata.conquery.io.storage.MetaStorage;
+import com.bakdata.conquery.models.auth.entities.User;
+import com.bakdata.conquery.models.common.Range;
+import com.bakdata.conquery.models.datasets.Column;
+import com.bakdata.conquery.models.datasets.Dataset;
+import com.bakdata.conquery.models.datasets.Table;
+import com.bakdata.conquery.models.datasets.concepts.ValidityDate;
+import com.bakdata.conquery.models.datasets.concepts.tree.ConceptTreeConnector;
+import com.bakdata.conquery.models.datasets.concepts.tree.TreeConcept;
+import com.bakdata.conquery.models.events.MajorTypeId;
+import com.bakdata.conquery.models.forms.util.ResolutionShortNames;
+import com.bakdata.conquery.models.identifiable.CentralRegistry;
+import com.bakdata.conquery.models.identifiable.ids.specific.ManagedExecutionId;
+import com.fasterxml.jackson.databind.node.TextNode;
+import lombok.experimental.UtilityClass;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Helper class for nested objects needed in {@link com.bakdata.conquery.models.SerializationTests}
+ */
+@UtilityClass
+public class SerialisationObjectsUtil {
+
+
+	@NotNull
+	public static Dataset createDataset(CentralRegistry registry) {
+		final Dataset dataset = new Dataset("test-dataset");
+		registry.register(dataset);
+		return dataset;
+	}
+
+	@NotNull
+	public static TreeConcept createConcept(CentralRegistry registry, Dataset dataset) {
+		TreeConcept concept = new TreeConcept();
+		concept.setDataset(dataset);
+		concept.setLabel("conceptLabel");
+		concept.setName("conceptName");
+
+		Table table = new Table();
+
+		Column column = new Column();
+		column.setLabel("colLabel");
+		column.setName("colName");
+		column.setType(MajorTypeId.STRING);
+		column.setTable(table);
+
+		Column dateColumn = new Column();
+		dateColumn.setLabel("colLabel2");
+		dateColumn.setName("colName2");
+		dateColumn.setType(MajorTypeId.DATE);
+		dateColumn.setTable(table);
+
+
+		table.setColumns(new Column[]{column, dateColumn});
+		table.setDataset(dataset);
+		table.setLabel("tableLabel");
+		table.setName("tableName");
+
+		column.setTable(table);
+
+		ConceptTreeConnector connector = new ConceptTreeConnector();
+		connector.setConcept(concept);
+		connector.setLabel("connLabel");
+		connector.setName("connName");
+		connector.setColumn(column);
+
+		concept.setConnectors(List.of(connector));
+
+		ValidityDate valDate = new ValidityDate();
+		valDate.setColumn(dateColumn);
+		valDate.setConnector(connector);
+		valDate.setLabel("valLabel");
+		valDate.setName("valName");
+		connector.setValidityDates(List.of(valDate));
+
+		registry.register(concept);
+		registry.register(column);
+		registry.register(dateColumn);
+		registry.register(table);
+		registry.register(connector);
+		registry.register(valDate);
+		return concept;
+	}
+
+	@NotNull
+	public static ExportForm createExportForm(CentralRegistry registry, Dataset dataset) {
+		final TreeConcept concept = createConcept(registry, dataset);
+		final ExportForm exportForm = new ExportForm();
+		final AbsoluteMode mode = new AbsoluteMode();
+		mode.setDateRange(new Range<>(LocalDate.of(2200, 6, 1), LocalDate.of(2200, 6, 2)));
+		mode.setForm(exportForm);
+
+		final CQConcept cqConcept = new CQConcept();
+
+		final CQTable table = new CQTable();
+		table.setConcept(cqConcept);
+		table.setConnector(concept.getConnectors().get(0));
+
+		// Use ArrayList instead of ImmutalbeList here because they use different hash code implementations
+		cqConcept.setTables(new ArrayList<>(List.of(table)));
+		cqConcept.setElements(new ArrayList<>(List.of(concept)));
+
+		exportForm.setTimeMode(mode);
+		exportForm.setFeatures(new ArrayList<>(List.of(cqConcept)));
+		exportForm.setValues(new TextNode("Some Node"));
+		exportForm.setQueryGroupId(new ManagedExecutionId(dataset.getId(), UUID.randomUUID()));
+		exportForm.setResolution(new ArrayList<>(List.of(ResolutionShortNames.COMPLETE)));
+		return exportForm;
+	}
+
+	@NotNull
+	public static User createUser(CentralRegistry registry, MetaStorage storage) {
+		final User user = new User("test-user", "test-user", storage);
+		registry.register(user);
+
+		user.updateStorage();
+		return user;
+	}
+}