after installing ng-bootstrap version 6.0.0.0 for angualr 9, I get below errors:
ERROR in node_modules/@ng-bootstrap/ng-bootstrap/accordion/accordion.d.ts(118,34): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/accordion/accordion.d.ts(118,40): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/datepicker/hebrew/ngb-calendar-hebrew.d.ts(14,34): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/datepicker/hebrew/ngb-calendar-hebrew.d.ts(14,41): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/datepicker/hijri/ngb-calendar-hijri.d.ts(25,34): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/datepicker/hijri/ngb-calendar-hijri.d.ts(25,41): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/datepicker/jalali/ngb-calendar-persian.d.ts(10,34): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/datepicker/jalali/ngb-calendar-persian.d.ts(10,41): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/datepicker/ngb-calendar.d.ts(54,43): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/datepicker/ngb-calendar.d.ts(54,50): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/datepicker/ngb-calendar.d.ts(71,34): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/datepicker/ngb-calendar.d.ts(71,41): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/highlight.d.ts(27,29): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/highlight.d.ts(27,35): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(79,69): error TS1005: ‘>’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(79,72): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(79,74): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(79,75): error TS1109: Expression expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(95,55): error TS1005: ‘(’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(119,58): error TS1005: ‘(’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(122,5): error TS1128: Declaration or statement expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(123,5): error TS1128: Declaration or statement expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,28): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,58): error TS1109: Expression expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,76): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,105): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,126): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,162): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,196): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,224): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,239): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,256): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,270): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,295): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(124,330): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(125,15): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(125,21): error TS1109: Expression expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(126,18): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(126,24): error TS1109: Expression expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(127,24): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(127,46): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(127,52): error TS1109: Expression expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(128,25): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(128,37): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(128,43): error TS1109: Expression expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(129,21): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(129,27): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(129,33): error TS1109: Expression expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(130,32): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(130,42): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(130,48): error TS1109: Expression expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(134,19): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(134,25): error TS1109: Expression expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(138,18): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(139,17): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(139,23): error TS1109: Expression expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(140,24): error TS1005: ‘,’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(140,40): error TS1005: ‘;’ expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(140,46): error TS1109: Expression expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(141,5): error TS1128: Declaration or statement expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(142,5): error TS1128: Declaration or statement expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(143,5): error TS1128: Declaration or statement expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(144,5): error TS1128: Declaration or statement expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(145,5): error TS1128: Declaration or statement expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(146,5): error TS1128: Declaration or statement expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(147,5): error TS1128: Declaration or statement expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(148,5): error TS1128: Declaration or statement expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(149,5): error TS1128: Declaration or statement expected.
node_modules/@ng-bootstrap/ng-bootstrap/typeahead/typeahead.d.ts(150,1): error TS1128: Declaration or statement expected.