Code quality fix - The members of an interface declaration or class should appear in a pre-defined order.

[faisal-hameed]

This pull request is focused on resolving occurrences of Sonar rule squid:S1213 - The members of an interface declaration or class should appear in a pre-defined order. You can find more information about the issue here: https://dev.eclipse.org/sonar/rules/show/squid:S1213

Please let me know if you have any questions.

Faisal Hameed