Fix type error in fourslash.ts (#47430)
Fix type error in fourslash.ts (#47430)


weswigham/TypeScript,weswigham/TypeScript,microsoft/TypeScript,Microsoft/TypeScript,microsoft/TypeScript,Microsoft/TypeScript,kpreisser/TypeScript,Microsoft/TypeScript,kpreisser/TypeScript,kpreisser/TypeScript,microsoft/TypeScript,weswigham/TypeScript