export type ValidateManualFieldExtensionParametersHook = {
    /**
     * This function will be called each time the configuration object changes. It
     * must return an object containing possible validation errors
     *
     * @tag manualFieldExtensions
     */
    validateManualFieldExtensionParameters: (fieldExtensionId: string, parameters: Record<string, unknown>) => Record<string, unknown> | Promise<Record<string, unknown>>;
};
export declare function isReturnTypeOfValidateManualFieldExtensionParametersHook(value: unknown): value is Record<string, unknown>;