diff --git a/.gitignore b/.gitignore
index a9c741c727..6d2362abaf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,7 +40,7 @@ packages/ts/*/.coverage
 packages/ts/*/.vite
 packages/ts/*/types/**
 !packages/ts/*/.lintstagedrc.js
-scripts/generator/results/
+scripts/prepare/results/
 packages/java/hilla/*.json
 packages/java/hilla-react/*.json
 packages/java/hilla/src/main/java/com/vaadin/hilla/theme/
@@ -50,7 +50,7 @@ packages/java/hilla-react/src/main/java/com/vaadin/hilla/theme/
 packages/ts/*/*.tgz
 
 # temporary scripts from platform for preparations
-scripts/generator/src/
+scripts/prepare/src/
 
 # backup files from some editors
 *~
diff --git a/packages/ts/generator-cli/src/GeneratorIO.ts b/packages/ts/generator-cli/src/GeneratorIO.ts
index e86d5f3e0d..a866776cdb 100644
--- a/packages/ts/generator-cli/src/GeneratorIO.ts
+++ b/packages/ts/generator-cli/src/GeneratorIO.ts
@@ -68,7 +68,7 @@ export default class GeneratorIO {
       await Promise.all(
         [...filesToDelete].map(async (filename) => {
           const resolved = this.resolveGeneratedFile(filename);
-          if (await this.exists(resolved)) {
+          if (await GeneratorIO.exists(resolved)) {
             this.#logger.global.debug(`Deleting file ${filename}.`);
             await rm(resolved);
           }
@@ -112,7 +112,7 @@ export default class GeneratorIO {
    * @param path - the file path to check
    */
   // eslint-disable-next-line class-methods-use-this
-  async exists(path: string): Promise<boolean> {
+  static async exists(path: string): Promise<boolean> {
     try {
       await access(path, constants.F_OK);
       return true;
diff --git a/packages/ts/generator-cli/test/GeneratorIO.spec.ts b/packages/ts/generator-cli/test/GeneratorIO.spec.ts
index ee93fabed0..2febacc654 100644
--- a/packages/ts/generator-cli/test/GeneratorIO.spec.ts
+++ b/packages/ts/generator-cli/test/GeneratorIO.spec.ts
@@ -36,12 +36,12 @@ describe('Testing GeneratorIO', function (this: Mocha.Suite) {
   describe('Testing GeneratorIO.exists', () => {
     it('should detect that a file exists', async () => {
       const path = join(tmpDir, generatedFilenames[0]);
-      await expect(io.exists(path)).to.eventually.be.true;
+      await expect(GeneratorIO.exists(path)).to.eventually.be.true;
     });
 
     it("should detect that a file doesn't exist", async () => {
       const path = join(tmpDir, 'nobody-created-me');
-      await expect(io.exists(path)).to.eventually.be.false;
+      await expect(GeneratorIO.exists(path)).to.eventually.be.false;
     });
   });
 
@@ -49,7 +49,7 @@ describe('Testing GeneratorIO', function (this: Mocha.Suite) {
     it('should create file index with right content', async () => {
       await io.createFileIndex(generatedFilenames);
       const indexPath = join(tmpDir, GeneratorIO.INDEX_FILENAME);
-      await expect(io.exists(indexPath)).to.eventually.be.true;
+      await expect(GeneratorIO.exists(indexPath)).to.eventually.be.true;
       const content = await io.read(indexPath);
       generatedFilenames.forEach((name) => expect(content).to.contain(name));
     });
@@ -62,7 +62,7 @@ describe('Testing GeneratorIO', function (this: Mocha.Suite) {
       await Promise.all(
         generatedFilenames.map(async (name) => {
           const path = join(tmpDir, name);
-          await expect(io.exists(path)).to.eventually.be.true;
+          await expect(GeneratorIO.exists(path)).to.eventually.be.true;
         }),
       );
     });
@@ -84,7 +84,9 @@ describe('Testing GeneratorIO', function (this: Mocha.Suite) {
       await expect(
         io.cleanOutputDir([generatedFilenames[0], generatedFilenames[1]], new Set(generatedFilenames)),
       ).to.eventually.have.property('size', generatedFilenames.length - 2);
-      const existenceResults = await Promise.all(generatedFilenames.map(async (name) => io.exists(join(tmpDir, name))));
+      const existenceResults = await Promise.all(
+        generatedFilenames.map(async (name) => GeneratorIO.exists(join(tmpDir, name))),
+      );
       expect(existenceResults).to.be.deep.equal([true, true, false]);
     });
 
@@ -94,7 +96,9 @@ describe('Testing GeneratorIO', function (this: Mocha.Suite) {
         'size',
         generatedFilenames.length,
       );
-      const existenceResults = await Promise.all(generatedFilenames.map(async (name) => io.exists(join(tmpDir, name))));
+      const existenceResults = await Promise.all(
+        generatedFilenames.map(async (name) => GeneratorIO.exists(join(tmpDir, name))),
+      );
       expect(existenceResults).to.be.deep.equal([false, false, false]);
     });
 
@@ -106,7 +110,7 @@ describe('Testing GeneratorIO', function (this: Mocha.Suite) {
         'size',
         generatedFilenames.length,
       );
-      await expect(io.exists(join(tmpDir, name))).to.eventually.be.true;
+      await expect(GeneratorIO.exists(join(tmpDir, name))).to.eventually.be.true;
     });
   });
   describe('Testing GeneratorIO.writeChangedFiles', () => {
diff --git a/packages/ts/generator-plugin-model/src/EntityModelProcessor.ts b/packages/ts/generator-plugin-model/src/EntityModelProcessor.ts
index 06171d2673..01a1439918 100644
--- a/packages/ts/generator-plugin-model/src/EntityModelProcessor.ts
+++ b/packages/ts/generator-plugin-model/src/EntityModelProcessor.ts
@@ -132,9 +132,7 @@ export class EntityClassModelProcessor extends EntityModelProcessor {
       if (decomposed.length > 2) {
         logger.debug(
           this.#component,
-          `The schema for a class component ${
-            this.#fullyQualifiedName
-          } has more than two components. This plugin will ignore it.`,
+          `The schema for a class component ${this.#fullyQualifiedName} has more than two components. This plugin will ignore it.`,
         );
         return undefined;
       }
diff --git a/packages/ts/generator-plugin-model/src/MetadataProcessor.ts b/packages/ts/generator-plugin-model/src/MetadataProcessor.ts
index 92c047abde..8328bc12f6 100644
--- a/packages/ts/generator-plugin-model/src/MetadataProcessor.ts
+++ b/packages/ts/generator-plugin-model/src/MetadataProcessor.ts
@@ -11,47 +11,44 @@ export type SchemaWithMetadata = Schema & {
   'x-java-type'?: string;
 };
 
-export class MetadataProcessor {
-  process(schema: Schema): ObjectLiteralExpression | null {
-    const schemaWithMetadata = schema as SchemaWithMetadata;
+function createAnnotationsProperty(schema: SchemaWithMetadata): PropertyAssignment | null {
+  const annotations = schema['x-annotations'];
+  const hasAnnotations = annotations && annotations.length > 0;
+  if (!hasAnnotations) {
+    return null;
+  }
 
-    const properties = [
-      this.#createAnnotationsProperty(schemaWithMetadata),
-      this.#createJavaTypeProperty(schemaWithMetadata),
-    ].filter(Boolean) as PropertyAssignment[];
+  const annotationLiterals = annotations.map((annotation) =>
+    ts.factory.createObjectLiteralExpression([
+      ts.factory.createPropertyAssignment('name', ts.factory.createStringLiteral(annotation.name)),
+    ]),
+  );
 
-    if (properties.length === 0) {
-      return null;
-    }
+  return ts.factory.createPropertyAssignment(
+    'annotations',
+    ts.factory.createArrayLiteralExpression(annotationLiterals),
+  );
+}
 
-    return ts.factory.createObjectLiteralExpression(properties);
+function createJavaTypeProperty(schema: SchemaWithMetadata): PropertyAssignment | null {
+  const javaType = schema['x-java-type'];
+  if (!javaType) {
+    return null;
   }
 
-  #createAnnotationsProperty(schema: SchemaWithMetadata): PropertyAssignment | null {
-    const annotations = schema['x-annotations'];
-    const hasAnnotations = annotations && annotations.length > 0;
-    if (!hasAnnotations) {
-      return null;
-    }
-
-    const annotationLiterals = annotations.map((annotation) =>
-      ts.factory.createObjectLiteralExpression([
-        ts.factory.createPropertyAssignment('name', ts.factory.createStringLiteral(annotation.name)),
-      ]),
-    );
-
-    return ts.factory.createPropertyAssignment(
-      'annotations',
-      ts.factory.createArrayLiteralExpression(annotationLiterals),
-    );
-  }
+  return ts.factory.createPropertyAssignment('javaType', ts.factory.createStringLiteral(javaType));
+}
+
+export function process(schema: Schema): ObjectLiteralExpression | null {
+  const schemaWithMetadata = schema as SchemaWithMetadata;
 
-  #createJavaTypeProperty(schema: SchemaWithMetadata): PropertyAssignment | null {
-    const javaType = schema['x-java-type'];
-    if (!javaType) {
-      return null;
-    }
+  const properties = [createAnnotationsProperty(schemaWithMetadata), createJavaTypeProperty(schemaWithMetadata)].filter(
+    Boolean,
+  ) as PropertyAssignment[];
 
-    return ts.factory.createPropertyAssignment('javaType', ts.factory.createStringLiteral(javaType));
+  if (properties.length === 0) {
+    return null;
   }
+
+  return ts.factory.createObjectLiteralExpression(properties);
 }
diff --git a/packages/ts/generator-plugin-model/src/ModelSchemaProcessor.ts b/packages/ts/generator-plugin-model/src/ModelSchemaProcessor.ts
index 3c41e62232..0132bcd0d6 100644
--- a/packages/ts/generator-plugin-model/src/ModelSchemaProcessor.ts
+++ b/packages/ts/generator-plugin-model/src/ModelSchemaProcessor.ts
@@ -28,7 +28,7 @@ import ts, {
   type TypeNode,
   type TypeReferenceNode,
 } from 'typescript';
-import { MetadataProcessor } from './MetadataProcessor.js';
+import { process } from './MetadataProcessor.js';
 import { createModelBuildingCallback, importBuiltInFormModel } from './utils.js';
 import { hasValidationConstraints, ValidationConstraintProcessor } from './ValidationConstraintProcessor.js';
 
@@ -225,14 +225,12 @@ export class ModelSchemaTypeProcessor extends ModelSchemaPartProcessor<TypeRefer
 
 export class ModelSchemaExpressionProcessor extends ModelSchemaPartProcessor<readonly Expression[]> {
   readonly #validationConstraintProcessor: ValidationConstraintProcessor;
-  readonly #metadataProcessor: MetadataProcessor;
 
   constructor(schema: Schema, dependencies: DependencyManager) {
     super(schema, dependencies);
     this.#validationConstraintProcessor = new ValidationConstraintProcessor((name) =>
       importBuiltInFormModel(name, dependencies),
     );
-    this.#metadataProcessor = new MetadataProcessor();
   }
 
   override process(): readonly ts.Expression[] {
@@ -242,7 +240,7 @@ export class ModelSchemaExpressionProcessor extends ModelSchemaPartProcessor<rea
 
     const modelOptionsProperties = [
       this.#createValidatorsProperty(originalSchema),
-      this.#createMetadataProperty(originalSchema),
+      ModelSchemaExpressionProcessor.#createMetadataProperty(originalSchema),
     ].filter(Boolean) as PropertyAssignment[];
 
     if (modelOptionsProperties.length > 0) {
@@ -300,8 +298,8 @@ export class ModelSchemaExpressionProcessor extends ModelSchemaPartProcessor<rea
     return ts.factory.createPropertyAssignment('validators', ts.factory.createArrayLiteralExpression(constraints));
   }
 
-  #createMetadataProperty(schema: Schema): PropertyAssignment | null {
-    const metadata = this.#metadataProcessor.process(schema);
+  static #createMetadataProperty(schema: Schema): PropertyAssignment | null {
+    const metadata = process(schema);
     return metadata ? ts.factory.createPropertyAssignment('meta', metadata) : null;
   }
 }
diff --git a/packages/ts/generator-plugin-model/src/ValidationConstraintProcessor.ts b/packages/ts/generator-plugin-model/src/ValidationConstraintProcessor.ts
index 6f812ad0fe..f77aa9fd92 100644
--- a/packages/ts/generator-plugin-model/src/ValidationConstraintProcessor.ts
+++ b/packages/ts/generator-plugin-model/src/ValidationConstraintProcessor.ts
@@ -47,11 +47,11 @@ export class ValidationConstraintProcessor {
     return ts.factory.createNewExpression(
       this.#importer(constraint.simpleName),
       undefined,
-      constraint.attributes ? [this.#processAttributes(constraint.attributes)] : [],
+      constraint.attributes ? [ValidationConstraintProcessor.#processAttributes(constraint.attributes)] : [],
     );
   }
 
-  #processAttributes(attributes: Record<string, unknown>): Expression {
+  static #processAttributes(attributes: Record<string, unknown>): Expression {
     const names = Object.keys(attributes);
     const tpl = JSON.stringify(names.includes('value') && names.length === 1 ? attributes.value : attributes);
 
diff --git a/packages/ts/generator-plugin-push/src/PushProcessor.ts b/packages/ts/generator-plugin-push/src/PushProcessor.ts
index 81637a3d81..fb60718266 100644
--- a/packages/ts/generator-plugin-push/src/PushProcessor.ts
+++ b/packages/ts/generator-plugin-push/src/PushProcessor.ts
@@ -55,7 +55,7 @@ export class PushProcessor {
       );
 
       if (importHillaCore) {
-        const updatedImportStatement = this.#removeInitImport(importHillaCore as ts.ImportDeclaration);
+        const updatedImportStatement = PushProcessor.#removeInitImport(importHillaCore as ts.ImportDeclaration);
 
         if (updatedImportStatement) {
           importStatements = importStatements.map((statement) => {
@@ -74,7 +74,7 @@ export class PushProcessor {
     return createSourceFile(updatedStatements, this.#source.fileName);
   }
 
-  #doesInitParameterExist(parameters: ts.NodeArray<ts.ParameterDeclaration>): boolean {
+  static #doesInitParameterExist(parameters: ts.NodeArray<ts.ParameterDeclaration>): boolean {
     const last = parameters[parameters.length - 1];
     const lastType = last.type as ts.TypeReferenceNode;
     const lastTypeName = lastType.typeName as ts.Identifier;
@@ -82,7 +82,7 @@ export class PushProcessor {
     return lastTypeName.text === initParameterTypeName;
   }
 
-  #removeInitImport(importStatement: ts.ImportDeclaration): ts.Statement | undefined {
+  static #removeInitImport(importStatement: ts.ImportDeclaration): ts.Statement | undefined {
     const namedImports = importStatement.importClause?.namedBindings;
     if (namedImports && ts.isNamedImports(namedImports)) {
       const updatedElements = namedImports.elements.filter((element) => element.name.text !== 'EndpointRequestInit');
@@ -119,7 +119,7 @@ export class PushProcessor {
 
   #updateFunction(declaration: ts.FunctionDeclaration): ts.FunctionDeclaration {
     const { parameters } = declaration;
-    const doesInitParameterExist = this.#doesInitParameterExist(parameters);
+    const doesInitParameterExist = PushProcessor.#doesInitParameterExist(parameters);
 
     return ts.factory.createFunctionDeclaration(
       undefined, // no async
@@ -129,11 +129,11 @@ export class PushProcessor {
       // Remove the `init` parameter
       doesInitParameterExist ? parameters.slice(0, -1) : parameters,
       this.#replacePromiseType(declaration),
-      this.#updateFunctionBody(declaration, doesInitParameterExist),
+      PushProcessor.#updateFunctionBody(declaration, doesInitParameterExist),
     );
   }
 
-  #updateFunctionBody(declaration: ts.FunctionDeclaration, doesInitParameterExist: boolean): ts.Block {
+  static #updateFunctionBody(declaration: ts.FunctionDeclaration, doesInitParameterExist: boolean): ts.Block {
     const returnStatement = declaration.body!.statements[0] as ts.ReturnStatement;
     const { arguments: args, expression, typeArguments } = returnStatement.expression! as ts.CallExpression;
     const call = expression as ts.PropertyAccessExpression;
diff --git a/packages/ts/lit-form/src/BinderRoot.ts b/packages/ts/lit-form/src/BinderRoot.ts
index 3b91333b20..0e1ce91f34 100644
--- a/packages/ts/lit-form/src/BinderRoot.ts
+++ b/packages/ts/lit-form/src/BinderRoot.ts
@@ -282,6 +282,8 @@ export class BinderRoot<M extends AbstractModel = AbstractModel> extends BinderN
    * @param elm - the bound element
    * @param model - the bound model
    */
+  // eslint ignored to allow overriding
+  // eslint-disable-next-line @typescript-eslint/class-methods-use-this
   getFieldStrategy<TField>(elm: HTMLElement, model?: AbstractModel<TField>): FieldStrategy {
     return getDefaultFieldStrategy(elm as FieldElement, model);
   }
diff --git a/packages/ts/react-crud/src/data-provider.ts b/packages/ts/react-crud/src/data-provider.ts
index b0da50be0e..32647919c1 100644
--- a/packages/ts/react-crud/src/data-provider.ts
+++ b/packages/ts/react-crud/src/data-provider.ts
@@ -138,6 +138,8 @@ export abstract class DataProvider<TItem> {
 }
 
 export class InfiniteDataProvider<TItem> extends DataProvider<TItem> {
+  // cannot be static, otherwise it does not implement superclass
+  // eslint-disable-next-line @typescript-eslint/class-methods-use-this
   protected fetchTotalCount(): undefined {
     return undefined;
   }
diff --git a/packages/ts/react-crud/test/GridController.ts b/packages/ts/react-crud/test/GridController.ts
index e6e296ce63..069181e25d 100644
--- a/packages/ts/react-crud/test/GridController.ts
+++ b/packages/ts/react-crud/test/GridController.ts
@@ -83,7 +83,7 @@ export default class GridController {
     return cells.map((cell) => (getCellContent(cell) as HTMLElement).innerText);
   }
 
-  generateColumnHeaders(paths: readonly string[]): readonly string[] {
+  static generateColumnHeaders(paths: readonly string[]): readonly string[] {
     return paths.map((path) =>
       path
         .substring(path.lastIndexOf('.') + 1)
diff --git a/packages/ts/react-crud/test/autogrid.spec.tsx b/packages/ts/react-crud/test/autogrid.spec.tsx
index 79d2879d3c..a4adaa0f71 100644
--- a/packages/ts/react-crud/test/autogrid.spec.tsx
+++ b/packages/ts/react-crud/test/autogrid.spec.tsx
@@ -53,7 +53,7 @@ export async function nextFrame(): Promise<void> {
 async function assertColumnsOrder(grid: GridController, ...ids: string[]) {
   const columns = await grid.getColumns();
   expect(columns).to.have.length(ids.length);
-  await expect(grid.getHeaderCellContents()).to.eventually.deep.equal(grid.generateColumnHeaders(ids));
+  await expect(grid.getHeaderCellContents()).to.eventually.deep.equal(GridController.generateColumnHeaders(ids));
 }
 
 async function assertColumns(grid: GridController, ...ids: string[]) {