Running the TypeScript compiler wields the following stats:

nativescript-big-dts cankov$ tsc
Files:               4
Lines:          317792
Nodes:         1235680
Identifiers:    486912
Symbols:        709471
Types:          145659
Memory used:   824485K
I/O read:        0.02s
I/O write:       0.00s
Parse time:      2.04s
Bind time:       1.32s
Check time:     12.09s
Emit time:       0.03s
Total time:     15.49s

The android.d.ts and ios.d.ts are generated by a tool and verified during their generation. Whatever can speed up the compilation of index.ts would be greatly appreciated.