Implement performance efficient way to iterate through declarations of attributes for complete class hierarchy, properties, ivars and methods.

[nikita-leonov]

Implement performance efficient way to get declarations of attributes for complete class hierarchy, properties, ivars and methods.
Real-life example is to find some attribute like DependencyInjection declared like following RF_ATTRIBUTE(DependencyInjection, name=@"something") for class all over the hierarchy to process if further in dependency container method inject,