1{ 2 "type": "Program", 3 "statements": [ 4 { 5 "type": "VariableDeclaration", 6 "declarations": [ 7 { 8 "type": "VariableDeclarator", 9 "id": { 10 "type": "Identifier", 11 "name": "z", 12 "decorators": [], 13 "loc": { 14 "start": { 15 "line": 16, 16 "column": 7 17 }, 18 "end": { 19 "line": 16, 20 "column": 8 21 } 22 } 23 }, 24 "init": { 25 "type": "NullLiteral", 26 "value": null, 27 "loc": { 28 "start": { 29 "line": 16, 30 "column": 11 31 }, 32 "end": { 33 "line": 16, 34 "column": 15 35 } 36 } 37 }, 38 "loc": { 39 "start": { 40 "line": 16, 41 "column": 7 42 }, 43 "end": { 44 "line": 16, 45 "column": 15 46 } 47 } 48 } 49 ], 50 "kind": "const", 51 "loc": { 52 "start": { 53 "line": 16, 54 "column": 1 55 }, 56 "end": { 57 "line": 16, 58 "column": 15 59 } 60 } 61 } 62 ], 63 "loc": { 64 "start": { 65 "line": 1, 66 "column": 1 67 }, 68 "end": { 69 "line": 17, 70 "column": 1 71 } 72 } 73} 74TypeError: Cannot infer type for variable 'z'. [test_variable_declaration_null.ts:16:7] 75