diff --git a/types/index.d.ts b/types/index.d.ts
index feedfed7..b153f930 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -18,6 +18,7 @@ export var CodeGen: {
     OpenApiToConcertoVisitor: typeof import("./lib/codegen/fromOpenApi/cto/openApiVisitor");
     RustVisitor: typeof import("./lib/codegen/fromcto/rust/rustvisitor");
     VocabularyVisitor: typeof import("./lib/codegen/fromcto/vocabulary/vocabularyvisitor");
+    BenchmarkModelGenerator: typeof import("./lib/common/benchmarkModelGenerator");
     formats: {
         golang: typeof import("./lib/codegen/fromcto/golang/golangvisitor");
         jsonschema: typeof import("./lib/codegen/fromcto/jsonschema/jsonschemavisitor");
diff --git a/types/lib/codegen/codegen.d.ts b/types/lib/codegen/codegen.d.ts
index 09f403ef..3e4fd568 100644
--- a/types/lib/codegen/codegen.d.ts
+++ b/types/lib/codegen/codegen.d.ts
@@ -17,6 +17,7 @@ import JSONSchemaToConcertoVisitor = require("./fromJsonSchema/cto/jsonSchemaVis
 import OpenApiToConcertoVisitor = require("./fromOpenApi/cto/openApiVisitor");
 import RustVisitor = require("./fromcto/rust/rustvisitor");
 import VocabularyVisitor = require("./fromcto/vocabulary/vocabularyvisitor");
+import BenchmarkModelGenerator = require("../common/benchmarkModelGenerator");
 export declare namespace formats {
     export { GoLangVisitor as golang };
     export { JSONSchemaVisitor as jsonschema };
@@ -35,4 +36,4 @@ export declare namespace formats {
     export { RustVisitor as rust };
     export { VocabularyVisitor as vocabulary };
 }
-export { AbstractPlugin, GoLangVisitor, JSONSchemaVisitor, XmlSchemaVisitor, PlantUMLVisitor, TypescriptVisitor, JavaVisitor, GraphQLVisitor, CSharpVisitor, ODataVisitor, MermaidVisitor, MarkdownVisitor, ProtobufVisitor, OpenApiVisitor, AvroVisitor, JSONSchemaToConcertoVisitor, OpenApiToConcertoVisitor, RustVisitor, VocabularyVisitor };
+export { AbstractPlugin, GoLangVisitor, JSONSchemaVisitor, XmlSchemaVisitor, PlantUMLVisitor, TypescriptVisitor, JavaVisitor, GraphQLVisitor, CSharpVisitor, ODataVisitor, MermaidVisitor, MarkdownVisitor, ProtobufVisitor, OpenApiVisitor, AvroVisitor, JSONSchemaToConcertoVisitor, OpenApiToConcertoVisitor, RustVisitor, VocabularyVisitor, BenchmarkModelGenerator };
diff --git a/types/lib/common/benchmarkModelGenerator.d.ts b/types/lib/common/benchmarkModelGenerator.d.ts
new file mode 100644
index 00000000..3ca3bb3c
--- /dev/null
+++ b/types/lib/common/benchmarkModelGenerator.d.ts
@@ -0,0 +1,94 @@
+export = BenchmarkModelGenerator;
+/**
+ * Generate a benchmark model.
+ *
+ * @class
+ */
+declare class BenchmarkModelGenerator {
+    /**
+     * Formats the given byte size into a human-readable string.
+     * @param {number} bytes The number of bytes.
+     * @param {number} [decimals=2] The number of decimal places to include.
+     * @returns {string} A formatted string representing the byte size.
+     */
+    formatBytes(bytes: number, decimals?: number): string;
+    /**
+     * Calculates the size of a JSON object in bytes.
+     * @param {Object} json The JSON object to measure.
+     * @returns {number} The size of the JSON object in bytes.
+     */
+    jsonSize(json: any): number;
+    /**
+     * Gathers statistics about the number of properties in declarations.
+     * @param {Array} declarations An array of declaration objects.
+     * @returns {Object} An object containing statistics about the properties.
+     */
+    gatherPropertiesNStats(declarations: any[]): any;
+    /**
+     * Generates a unique name based on a seed value.
+     * @param {Object} params The indexes of the generated components.
+     * @returns {string} A unique name.
+     */
+    generateName({ modelI, declarationI, propertyI, }: any): string;
+    /**
+     * Generates a property object.
+     * @param {Object} params An object containing indices for model, declaration, and property.
+     * @returns {Object} A property object.
+     */
+    generateProperty({ modelI, declarationI, propertyI, }: any): any;
+    /**
+     * Generates multiple property objects.
+     * @param {Object} params An object containing model index, declaration index, and the number of properties.
+     * @returns {Array<Object>} An array of property objects.
+     */
+    generateNProperties({ modelI, declarationI, nProperties, }: any): Array<any>;
+    /**
+     * Generates property objects up to a specified size.
+     * @param {Object} params An object containing model index, declaration index, and a size budget for properties.
+     * @returns {Array<Object>} An array of property objects within the specified size budget.
+     */
+    generatePropertiesUpToSize({ modelI, declarationI, propertiesSizeBudget, }: any): Array<any>;
+    /**
+     * Generates a declaration object with a specified number of properties.
+     * @param {Object} params An object containing model index, declaration index, and the number of properties.
+     * @returns {Object} A declaration object.
+     */
+    generateDeclarationWithNProperties({ modelI, declarationI, nProperties, }: any): any;
+    /**
+     * Generates a declaration object to a specified size.
+     * @param {Object} params An object containing model index, declaration index, and a size budget for the declaration.
+     * @returns {Object} A declaration object within the specified size budget.
+     */
+    generateDeclarationToSize({ modelI, declarationI, declarationSizeBudget, }: any): any;
+    /**
+     * Generates multiple declarations with properties, aiming to fit within a size budget by adding declarations.
+     * @param {Object} params An object containing model index, a size budget for declarations, and the number of properties per declaration.
+     * @returns {Array<Object>} An array of declaration objects.
+     */
+    generateDeclarationsToSizeGrowByDeclarations({ modelI, declarationsSizeBudget, nProperties, }: any): Array<any>;
+    /**
+     * Generates multiple declarations with properties, distributing the size budget across properties within declarations.
+     * @param {Object} params An object containing model index, a size budget for declarations, and the number of declarations.
+     * @returns {Array<Object>} An array of declaration objects.
+     */
+    generateDeclarationsToSizeGrowByProperties({ modelI, declarationsSizeBudget, nDeclarations, }: any): Array<any>;
+    /**
+     * Generates declarations according to a specified size budget and growth strategy.
+     * @param {Object} params An object containing model index, size budget, number of declarations, number of properties, and growth strategy.
+     * @returns {Array<Object>} An array of declaration objects according to the specified growth strategy.
+     */
+    generateDeclarationsToSize({ modelI, declarationsSizeBudget, nDeclarations, nProperties, growBy, }: any): Array<any>;
+    /**
+     * Generates a specified number of declarations, each with a fixed number of properties.
+     * @param {Object} params An object containing model index, the number of declarations, and the number of properties per declaration.
+     * @returns {Array<Object>} An array of declaration objects.
+     */
+    generateNDeclarations({ modelI, nDeclarations, nProperties, }: any): Array<any>;
+    /**
+     * Generates a Concerto model with specified parameters, optionally generating up to a size limit.
+     * @param {Object} params An object containing parameters for the model generation, such as metamodel version, namespace, version, indices, and size constraints.
+     * @returns {Object} An object containing the generated model and metadata about the generation process.
+     * @public
+     */
+    public generateConcertoModels({ concertoMetamodelVersion, modelNamespace, modelVersion, modelI, generateUpToSize, growBy, nDeclarations, nProperties, }: any): any;
+}