TypeError: Cannot read property 'flags' of undefined
    at displayPartKind (C:\Users\drosen\AppData\Roaming\npm\node_modules\typescript\lib\tsserver.js:51437:31)
    at symbolPart (C:\Users\drosen\AppData\Roaming\npm\node_modules\typescript\lib\tsserver.js:51435:34)
    at Object.writeSymbol (C:\Users\drosen\AppData\Roaming\npm\node_modules\typescript\lib\tsserver.js:51422:31)
    at buildBindingElementDisplay (C:\Users\drosen\AppData\Roaming\npm\node_modules\typescript\lib\tsserver.js:22476:28)
    at C:\Users\drosen\AppData\Roaming\npm\node_modules\typescript\lib\tsserver.js:22457:110
    at buildDisplayForCommaSeparatedList (C:\Users\drosen\AppData\Roaming\npm\node_modules\typescript\lib\tsserver.js:22503:21)
    at buildBindingPatternDisplay (C:\Users\drosen\AppData\Roaming\npm\node_modules\typescript\lib\tsserver.js:22457:21)
    at buildParameterDisplay (C:\Users\drosen\AppData\Roaming\npm\node_modules\typescript\lib\tsserver.js:22442:21)
    at buildDisplayForParametersAndDelimiters (C:\Users\drosen\AppData\Roaming\npm\node_modules\typescript\lib\tsserver.js:22531:21)
    at buildSignatureDisplay (C:\Users\drosen\AppData\Roaming\npm\node_modules\typescript\lib\tsserver.js:22575:17)