Missing keep_numbers in the type of FormatOptions #1208
Description
Bug report or Feature request?
Typescript Type Check Error：
(property) keep_numbers: boolean
Type '{ toplevel: true; safari10: true; compress: { ecma: 2015 | 5; arrows: boolean; drop_console: boolean; }; } | { compress: false; toplevel: true; safari10: true; output: { comments: false; keep_numbers: boolean; quote_keys: true; }; }' is not assignable to type 'MinifyOptions'.
Type '{ compress: false; toplevel: true; safari10: true; output: { comments: false; keep_numbers: boolean; quote_keys: true; }; }' is not assignable to type 'MinifyOptions'.
Types of property 'output' are incompatible.
Type '{ comments: false; keep_numbers: boolean; quote_keys: true; }' is not assignable to type 'FormatOptions'.
Object literal may only specify known properties, and 'keep_numbers' does not exist in type 'FormatOptions'.ts(2322)
Version (complete output of terser -V or specific git commit)
Complete CLI command or minify() options used
terser input
terser output or error
Expected result
Add the keep_numbers type to FormatOptions