{ "type": "Script", "span": { "start": 1, "end": 149, "ctxt": 0 }, "body": [ { "type": "TsInterfaceDeclaration", "span": { "start": 1, "end": 52, "ctxt": 0 }, "id": { "type": "Identifier", "span": { "start": 11, "end": 14, "ctxt": 0 }, "value": "Foo", "optional": false }, "declare": false, "typeParams": null, "extends": [], "body": { "type": "TsInterfaceBody", "span": { "start": 15, "end": 52, "ctxt": 0 }, "body": [ { "type": "TsCallSignatureDeclaration", "span": { "start": 21, "end": 50, "ctxt": 0 }, "params": [], "typeAnnotation": { "type": "TsTypeAnnotation", "span": { "start": 23, "end": 49, "ctxt": 0 }, "typeAnnotation": { "type": "TsTypeLiteral", "span": { "start": 25, "end": 49, "ctxt": 0 }, "members": [ { "type": "TsPropertySignature", "span": { "start": 27, "end": 37, "ctxt": 0 }, "readonly": false, "key": { "type": "Identifier", "span": { "start": 27, "end": 28, "ctxt": 0 }, "value": "a", "optional": false }, "computed": false, "optional": false, "init": null, "params": [], "typeAnnotation": { "type": "TsTypeAnnotation", "span": { "start": 28, "end": 36, "ctxt": 0 }, "typeAnnotation": { "type": "TsKeywordType", "span": { "start": 30, "end": 36, "ctxt": 0 }, "kind": "number" } }, "typeParams": null }, { "type": "TsPropertySignature", "span": { "start": 38, "end": 47, "ctxt": 0 }, "readonly": false, "key": { "type": "Identifier", "span": { "start": 38, "end": 39, "ctxt": 0 }, "value": "b", "optional": false }, "computed": false, "optional": false, "init": null, "params": [], "typeAnnotation": { "type": "TsTypeAnnotation", "span": { "start": 39, "end": 47, "ctxt": 0 }, "typeAnnotation": { "type": "TsKeywordType", "span": { "start": 41, "end": 47, "ctxt": 0 }, "kind": "number" } }, "typeParams": null } ] } }, "typeParams": null } ] } }, { "type": "TsInterfaceDeclaration", "span": { "start": 54, "end": 119, "ctxt": 0 }, "id": { "type": "Identifier", "span": { "start": 64, "end": 71, "ctxt": 0 }, "value": "Derived", "optional": false }, "declare": false, "typeParams": null, "extends": [ { "type": "TsExpressionWithTypeArguments", "span": { "start": 80, "end": 83, "ctxt": 0 }, "expression": { "type": "Identifier", "span": { "start": 80, "end": 83, "ctxt": 0 }, "value": "Foo", "optional": false }, "typeArguments": null } ], "body": { "type": "TsInterfaceBody", "span": { "start": 84, "end": 119, "ctxt": 0 }, "body": [ { "type": "TsCallSignatureDeclaration", "span": { "start": 99, "end": 117, "ctxt": 0 }, "params": [], "typeAnnotation": { "type": "TsTypeAnnotation", "span": { "start": 101, "end": 116, "ctxt": 0 }, "typeAnnotation": { "type": "TsTypeLiteral", "span": { "start": 103, "end": 116, "ctxt": 0 }, "members": [ { "type": "TsPropertySignature", "span": { "start": 105, "end": 114, "ctxt": 0 }, "readonly": false, "key": { "type": "Identifier", "span": { "start": 105, "end": 106, "ctxt": 0 }, "value": "a", "optional": false }, "computed": false, "optional": false, "init": null, "params": [], "typeAnnotation": { "type": "TsTypeAnnotation", "span": { "start": 106, "end": 114, "ctxt": 0 }, "typeAnnotation": { "type": "TsKeywordType", "span": { "start": 108, "end": 114, "ctxt": 0 }, "kind": "number" } }, "typeParams": null } ] } }, "typeParams": null } ] } }, { "type": "VariableDeclaration", "span": { "start": 121, "end": 136, "ctxt": 0 }, "kind": "var", "declare": false, "declarations": [ { "type": "VariableDeclarator", "span": { "start": 125, "end": 135, "ctxt": 0 }, "id": { "type": "Identifier", "span": { "start": 125, "end": 126, "ctxt": 0 }, "value": "d", "optional": false, "typeAnnotation": { "type": "TsTypeAnnotation", "span": { "start": 126, "end": 135, "ctxt": 0 }, "typeAnnotation": { "type": "TsTypeReference", "span": { "start": 128, "end": 135, "ctxt": 0 }, "typeName": { "type": "Identifier", "span": { "start": 128, "end": 135, "ctxt": 0 }, "value": "Derived", "optional": false }, "typeParams": null } } }, "init": null, "definite": false } ] }, { "type": "VariableDeclaration", "span": { "start": 137, "end": 149, "ctxt": 0 }, "kind": "var", "declare": false, "declarations": [ { "type": "VariableDeclarator", "span": { "start": 141, "end": 148, "ctxt": 0 }, "id": { "type": "Identifier", "span": { "start": 141, "end": 142, "ctxt": 0 }, "value": "r", "optional": false, "typeAnnotation": null }, "init": { "type": "CallExpression", "span": { "start": 145, "end": 148, "ctxt": 0 }, "callee": { "type": "Identifier", "span": { "start": 145, "end": 146, "ctxt": 0 }, "value": "d", "optional": false }, "arguments": [], "typeArguments": null }, "definite": false } ] } ], "interpreter": null }