interface ExtMetadata { tags: string; order: number; [key: string]: string | number | boolean; } type NestedField = { [key: string]: ConfigurableParams; }; export type ConfigurableParams = { param_class: string; param_name: string; param_type: string; default_value: string | boolean | number; description: string; required: boolean; valid_values: null | string[]; ext_metadata: ExtMetadata; is_array: boolean; label: string; nested_fields: NestedField | null; };