Module '"http"' has no exported member 'IncomingHttpHeaders'.

Cannot find name 'Map'. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later.

Cannot find name 'Map'. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later.

Cannot find name 'Map'. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later.

Cannot find name 'Map'. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later.

'Promise' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later.

Cannot find name 'Map'. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later.

Cannot find name 'Map'. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later.

Cannot find name 'Map'. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later.

Cannot find name 'Map'. Do you need to change your target library? Try changing the `lib` compiler option to es2015 or later.

'client2' is assigned a value but never used

'client3' is assigned a value but never used

'client2' is assigned a value but never used

'client3' is assigned a value but never used

'client2' is assigned a value but never used

'client3' is assigned a value but never used

'client2' is assigned a value but never used

'client3' is assigned a value but never used

'client2' is assigned a value but never used

'client3' is assigned a value but never used