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# old/mod.ts
export function foo() {}
# new/mod.ts
export const foo = () => {};
# output.json
{
"modifiedModules": {
"file:///mod.ts": {
"modified": [
{
"name": "foo",
"declarations": {
"modified": [
{
"kind": "function",
"defChanges": {
"type": "function",
"returnTypeChange": {
"old": {
"repr": "void",
"kind": "keyword",
"value": "void"
},
"new": {
"repr": "void",
"kind": "keyword",
"value": "void"
}
}
}
}
]
}
}
]
}
}
}