Latest Material2 Types Incorrectly Implement 'CanDisable'

Bug, feature request, or proposal:

Since upgrading material beta from 2.0.0-beta.3 to 2.0.0-beta.4, I’m getting multiple errors for button.d.ts, checkbox.d.ts, radio.d.ts, slide-toggle.d.ts, and slider.d.ts when building.

What is the expected behavior?

The application should build fine with no errors.

What is the current behavior?

When building, I’m getting errors similar to this:

/node_modules/@angular/material/typings/button/button.d.ts(40,22): error TS2420: Class 'MdButton' incorrectly implements interface 'CanDisable'.
  Property 'disabled' is missing in type 'MdButton'.

/node_modules/@angular/material/typings/button/button.d.ts(40,39): error TS2507: Type '(new (...args: any[]) => CanDisable) & typeof MdButtonBase' is not a constructor function type.

These errors are the same for all 5 components mentioned at the top of this issue.

Which versions of Angular, Material, OS, browsers are affected?

Angular 4.0.2, Material 2.0.0-beta.4, Windows 7 & 10, Chrome

Is there anything else we should know?

I have made sure to remove the deprecated “forRoot()”, and I do not use HttpModule from MdIconModule, which are the only breaking changes listed in the changelog.

[jelbourn]

Forgot to add this to the changelog: this now requires TypeScript 2.2

[YashGajera]

Any one who is getting this error and using visual studio IDE. Just update visual studio to version 15.2 and confirm you have Typescript version 2.2.0 in visual studio.