TS Errors in Definition File

[MechoJim]

Hi, the types file for this breaks my project:

ERROR in node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2509,51): error TS1144: '{' or ';' expected.
node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2509,60): error TS1109: Expression expected.
node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2510,25): error TS1109: Expression expected.
node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2511,18): error TS1005: ';' expected.
node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2512,25): error TS1005: ',' expected.
node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2512,43): error TS1005: ';' expected.
node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2513,19): error TS1005: ';' expected.
node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2514,14): error TS1005: ',' expected.
node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2514,20): error TS1005: ';' expected.
node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2515,13): error TS1005: ';' expected.
node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2518,34): error TS1005: '=>' expected.
node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2519,30): error TS1005: '=>' expected.
node_modules/@types/leaflet-rotatedmarker/node_modules/@types/leaflet/index.d.ts(2522,1): error TS1128: Declaration or statement expected.

I'm on typescript 3.4

How can I fix these?