error assignment of member in read only object

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1. assignment of member 'port' in read-only object

   

2. Can't compile: error: assignment of member ‘name’ in read-only object

   

3. assignment of member ‘QPair＜QString,Data*＞::second“ in read-only object

   

4. Jest testing error. TypeError: Cannot assign to read only property

   

5. issue: Cannot assign to read only property '0' of object '[object Array

   

6. Cannot assign to read only property 'exports' of object