// https://github.com/wicg/trusted-types

typedef [StringContext=TrustedHTML] DOMString HTMLString;
typedef [StringContext=TrustedScript] DOMString ScriptString;
typedef [StringContext=TrustedScriptURL] USVString ScriptURLString;

[
  Exposed=(Window, Worker),
  SecureContext
] interface TrustedHTML {
    stringifier;
};

[
  Exposed=(Window, Worker),
  SecureContext
] interface TrustedScript {
    stringifier;
};

[
  Exposed=(Window, Worker),
  SecureContext
] interface TrustedScriptURL {
    stringifier;
};

[
  Exposed=(Window, Worker),
  SecureContext
] interface TrustedTypePolicyFactory {
    TrustedTypePolicy createPolicy(DOMString policyName, optional TrustedTypePolicyOptions policyOptions = {});
    // All the policy object names that have been created
};

[
  Exposed=(Window, Worker),
  SecureContext
] interface TrustedTypePolicy {
    readonly attribute DOMString name;
    TrustedHTML createHTML(DOMString input);
    TrustedScript createScript(DOMString input);
    TrustedScriptURL createScriptURL(USVString input);
};

dictionary TrustedTypePolicyOptions {
   CreateHTMLCallback createHTML;
   CreateScriptCallback createScript;
   CreateURLCallback createScriptURL;
};

callback CreateHTMLCallback = DOMString (DOMString input);
callback CreateScriptCallback = DOMString (DOMString input);
callback CreateURLCallback = USVString (DOMString input);