Typescript: Repository cannot be built

After clonning repository and running "npm run build", tsc returns:

PS F:\git\signal-plugins> npm run build

> signalrgb-plugins@1.0.0 build
> tsc

Plugins/Services/SRGBmods.net/SRGBmods-WLC.js:1:1 - error TS9005: Declaration emit for this file requires using private name 'forceDelete'. An explicit type annotation may unblock declaration emit.

1 export function Name() { return "SRGBmods-WLC"; }
  ~~~~~~

Plugins/Services/SRGBmods.net/SRGBmods-WLC.js:1:1 - error TS9005: Declaration emit for this file requires using private name 'forceDiscover'. An explicit type annotation may unblock declaration emit.

1 export function Name() { return "SRGBmods-WLC"; }
  ~~~~~~

Plugins/Services/SRGBmods.net/WLED.js:1:1 - error TS9005: Declaration emit for this file requires using private name 'forceDelete'. An explicit type annotation may unblock declaration emit.

1 export function Name() { return "WLED"; }
  ~~~~~~

Plugins/Services/SRGBmods.net/WLED.js:1:1 - error TS9005: Declaration emit for this file requires using private name 'forceDiscover'. An explicit type annotation may unblock declaration 
emit.

1 export function Name() { return "WLED"; }
  ~~~~~~

types/PhilipsHue.d.ts:92:2 - error TS1005: '}' expected.

92 }
    


Found 5 errors in 3 files.

Errors  Files
     2  Plugins/Services/SRGBmods.net/SRGBmods-WLC.js:1
     2  Plugins/Services/SRGBmods.net/WLED.js:1
     1  types/PhilipsHue.d.ts:92