declare module '@glimmer/interfaces/lib/content' {
    export type ComponentContent = 0;
    export type HelperContent = 1;
    export type StringContent = 2;
    export type EmptyContent = 3;
    export type SafeStringContent = 4;
    export type FragmentContent = 5;
    export type NodeContent = 6;
    export type OtherContent = 8;

    export type ContentType =
      | ComponentContent
      | HelperContent
      | StringContent
      | EmptyContent
      | SafeStringContent
      | FragmentContent
      | NodeContent
      | OtherContent;
}