Add support for formatRange to Intl.DateTimeFormat  (#47740)
Add support for formatRange to Intl.DateTimeFormat  (#47740)

* add interface for DateTimeFormat.format

* remove railing whitespace
weswigham/TypeScript,microsoft/TypeScript,microsoft/TypeScript,weswigham/TypeScript,Microsoft/TypeScript,Microsoft/TypeScript,kpreisser/TypeScript,Microsoft/TypeScript,kpreisser/TypeScript,microsoft/TypeScript,kpreisser/TypeScript,weswigham/TypeScript