node_modules/@webref/idl/custom-state-pseudo-class.idl

// GENERATED CONTENT - DO NOT EDIT
// Content was automatically extracted by Reffy into webref
// (https://github.com/w3c/webref)
// Source: Custom State Pseudo Class (https://wicg.github.io/custom-state-pseudo-class/)

partial interface ElementInternals {
  readonly attribute CustomStateSet states;
};

[Exposed=Window]
interface CustomStateSet {
  setlike<DOMString>;
  undefined add(DOMString value);
};