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# old/mod.ts
export interface Foo {
name: string;
}
# new/mod.ts
export interface Foo {
name?: string;
}
# output.json
{
"modifiedModules": {
"file:///mod.ts": {
"modified": [
{
"name": "Foo",
"declarations": {
"modified": [
{
"kind": "interface",
"defChanges": {
"type": "interface",
"propertyChanges": {
"modified": [
{
"name": "name",
"optionalChange": {
"old": false,
"new": true
}
}
]
}
}
}
]
}
}
]
}
}
}