{"rules": {"@typescript-eslint/promise-function-async": ["error",      {"allowedPromiseNames": [],"checkArrowFunctions":false,"checkFunctionDeclarations":true,"checkFunctionExpressions":false,"checkMethodDeclarations":false      }    ]  }}

exportfunctionvalid(n:number){returnn;}

exportdefaultfunctioninvalid(n:number){returnn;}

TypeError: Cannot read property 'resolvedReturnType' of undefined    at Object.getReturnTypeOfSignature (/path/to/repo/node_modules/typescript/lib/typescript.js:38106:28)    at validateNode (/path/to/repo/node_modules/@typescript-eslint/eslint-plugin/lib/rules/promise-function-async.js:91:34)    at FunctionDeclaration (/path/to/repo/node_modules/@typescript-eslint/eslint-plugin/lib/rules/promise-function-async.js:111:11)    at listeners.(anonymous function).forEach.listener (/path/to/repo/node_modules/eslint/lib/util/safe-emitter.js:45:58)    at Array.forEach (<anonymous>)    at Object.emit (/path/to/repo/node_modules/eslint/lib/util/safe-emitter.js:45:38)    at NodeEventGenerator.applySelector (/path/to/repo/node_modules/eslint/lib/util/node-event-generator.js:251:26)    at NodeEventGenerator.applySelectors (/path/to/repo/node_modules/eslint/lib/util/node-event-generator.js:280:22)    at NodeEventGenerator.enterNode (/path/to/repo/node_modules/eslint/lib/util/node-event-generator.js:294:14)    at CodePathAnalyzer.enterNode (/path/to/repo/node_modules/eslint/lib/code-path-analysis/code-path-analyzer.js:632:23)

functionvalid(n:number){returnn;}functioninvalid(p:Promise<void>){returnp;}// lint error

exportconstvalid=(n:number)=>n;exportconstinvalid=(p:Promise<void>)=>p;// lint error