`formatRange[ToParts]` should go `Intl.DateTimeFormat` but instead is in `NumberFormat`

[saschanaz]

Bug Report

🔎 Search Terms

🕗 Version & Regression Information

• This is a crash
• This changed between versions ______ and _______
• This is the behavior in every version I tried, and I reviewed the FAQ for entries about _________
• I was unable to test this on prior versions because _______

⏯ Playground Link

Playground link with relevant code

💻 Code

Intl.NumberFormat.prototype.formatRange // .prototype is any?!

new Intl.NumberFormat().formatRange // should not be available in es2021, still in stage 3
new Intl.DateTimeFormat().formatRange // should be available in es2021

🙁 Actual behavior

(As the title says)

🙂 Expected behavior

(As the comments say)

#45647 was confused about this.