Feature implementation from commits 2b88aeb..0dfd0c2

[codeOwlAI]

This PR contains changes from a range of commits from the original repository.

Commit Range: 2b88aeb..0dfd0c2
Files Changed: 923 (376 programming files)
Programming Ratio: 40.7%

Commits included:

• Restore import defer = parsing (Restore import defer = parsing microsoft/TypeScript#61837)
• Fix type variable leaks and cache inconsistencies (Fix type variable leaks and cache inconsistencies microsoft/TypeScript#61668)
• Add --module node20 (Add --module node20 microsoft/TypeScript#61805)
• optimization, reduce memory usage (optimization, reduce memory usage microsoft/TypeScript#61822)
• Avoid resolving source prop type when the target is unknown/any (Avoid resolving source prop type when the target is unknown/any microsoft/TypeScript#61660)
• Fix helpers emit for .cjs files in ESM module mode (Fix helpers emit for .cjs files in ESM module mode microsoft/TypeScript#61814)
• Issue "'{0}' declarations can only be declared inside a block." for block-scoped variables in presence of parse errors (Issue "'{0}' declarations can only be declared inside a block." for block-scoped variables in presence of parse errors microsoft/TypeScript#61824)
• explicitly disallow using in ambient contexts (explicitly disallow using in ambient contexts microsoft/TypeScript#61781)
• Add lib.esnext.sharedmemory (Add lib.esnext.sharedmemory microsoft/TypeScript#61646)
• Cache mapper instantiations (Cache mapper instantiations microsoft/TypeScript#61505)
  ... and 5 more commits