// @checkJs: true
// @allowJs: true
// @strict: true
// @emitDeclarationOnly: true
// @declaration: true
// @Filename: a.js

// This test is asserting that a single property/element access
// on `this` is a special assignment declaration, but chaining
// off that does not create additional declarations. I’m not sure
// if it needs to be that way in JavaScript; the test simply
// ensures no accidental changes were introduced while allowing
// element access assignments to create declarations.

this.x = {};
this.x.y = {};
this["y"] = {};
this["y"]["z"] = {};

/** @constructor */
function F() {
  this.a = {};
  this.a.b = {};
  this["b"] = {};
  this["b"]["c"] = {};
}

const f = new F();
f.a;
f.b;