Forget password and key of .jsk file : How to retrieve Key Alias and Key Password for signed APK in android studio

On Windows 
 1. C:\Users\amit rawat\.AndroidStudio3.1\system\log\idea.log.1.
 2. Then search for “Pandroid.injected.signing.store” in the idea.log 
3. look like this
 Pandroid.injected.invoked.from.ide=true,
 -Pandroid.injected.signing.store.file=C:\Users\amit rawat\keystore\mykey.keystore.jks, 
- Pandroid.injected.signing.store.password=password, 
-Pandroid.injected.signing.key.alias=mykey,
 -Pandroid.injected.signing.key.password=password