Bracket Pair Colorization ToDos

[hediet]

• P1 hide customBracketPairs (and in the future merge it with language configuration)
  ITextModelUpdateOptions
  • remove configureBracketPairColorization from view model
• P1 move backgroundTokenizationCompleted up to BracketPairColorizer: this.initialAstWithoutTokens is not undefined
• P1 get rid of owners / use attached concept event
• P1 in PairAstNode, why not have individual members instead of the children array them and handle iterating with the kind, maybe add firstChild / hasChildren
• P1 hard coded to 3 colors - ColorProvider
• investigate many instances of InvalidBracketAstNode in sqlite3.c / consider reusing instances
• P0 introduce some kind of limit for super large files, drive it by having it <100ms
  • a much better solution would be to split the work in 10ms chunks
• P0 open 1GB file with brackets INSERT STATEMENT () / csv
• P2 Tokenizer: instead of working off a string, work off a ITextSnapshot
• P2 a test that tests end-to-end
• Support readonly tree (copy on write)

[pkese]

Brackets in some languages are not matched correctly, e.g. in F#:

Also #139286

[hediet]

Closing, as the Bracket pair colorization feature is very stable now and the remaining tasks are not needed.