type FlexRenderContent<TProps> = 
  | string
  | number
  | Type<TProps>
  | FlexRenderComponent<TProps>
  | TemplateRef<{
  $implicit: TProps;
}>
  | null
  | Record<any, any>
  | undefined;

type FlexRenderContent<TProps> = 
  | string
  | number
  | Type<TProps>
  | FlexRenderComponent<TProps>
  | TemplateRef<{
  $implicit: TProps;
}>
  | null
  | Record<any, any>
  | undefined;