Assertion failure on "convert to default export" in module augmentation

[DanielRosenwasser]

export {};
declare module 'some-module' {
  export function /**/func(): void;
}

Request the "Convert named export to default export" refactoring at /**/.

Response received: getEditsForRefactor (1227). Request took 5 ms. Success: false . Message: Error processing request. Debug Failure. Unexpected parent kind 255 SyntaxKind: FunctionDeclaration
Error: Debug Failure. Unexpected parent kind 255 SyntaxKind: FunctionDeclaration
    at changeNamedToDefaultImport ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:155700:30)
    at [EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:155626:21
    at Object.eachExportReference ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:134746:29)
    at changeImports ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:155620:39)
    at doChange ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:155573:13)
    at [EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:155508:94
    at Function.ChangeTracker.with ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:145583:17)
    at Object.getRefactorEditsToConvertBetweenNamedAndDefaultExports [as getEditsForAction] ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:155508:62)
    at Object.getEditsForRefactor ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:146889:41)
    at Object.getEditsForRefactor ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:162411:32)
    at IpcIOSession.Session.getEditsForRefactor ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:173459:59)
    at Session.handlers.ts.Map.ts.getEntries._a.<computed> ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:172163:61)
    at [EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:173822:88
    at IpcIOSession.Session.executeWithRequestId ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:173813:28)
    at IpcIOSession.Session.executeCommand ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:173822:33)
    at IpcIOSession.Session.onMessage ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:173848:35)
    at process.<anonymous> ([EXTENSION_DIR]\ms-vscode.vscode-typescript-next-4.6.20220208\node_modules\typescript\lib\tsserver.js:176483:31)
    at process.emit (events.js:315:20)
    at emit (internal/child_process.js:903:12)
    at processTicksAndRejections (internal/process/task_queues.js:81:21)