Fix to 'Top-level declarations' error

[cristianireyes]

Solution to the error:
3:1 Top-level declarations in .d.ts files must start with either a 'declare' or 'export' modifier.

Issue: #459

[chindit]

Tested and working. 👍

Thanks @cristianireyes

[naughtLdy]

I think, it is good solution.
But, this type definition is not represent reality.

Here is more better defintion.
naughtLdy@a73aab0

[chindit]

Feel free to create a PR @naughtLdy

But now, we're just waiting for a maitainer to give his opinion on this.

[abrad]

+1 for needing this fix! Thanks for the work

[bjufre]

@Akryum is there any ETA as to when this is gonna get merged? Thank you!

[janpansa]

@Akryum Also waiting for this. Thank you for the work !

[alanaasmaa]

Downgrading to @2.0.2 resolves the error.

[Peter-Barrett]

@Akryum just coming across this issue now, having this PR merged would be much appreciated. Thanks.

[undergroundwires]

Is this repository still maintained? @Akryum please take a look a this.