[Updated from time to time] Ruby on Rails Convenient methods

I want to know the aliased attribute.

pry(main)> Member.attribute_aliases
=> { "user_name"=>"UserName", "mail_address"=>"MailAddress",}

I want to search with grep from the method list obtained by the methods method.

pry(main)> Member.methods.grep /attribute_aliases/i
=> [:attribute_aliases, :attribute_aliases?, :attribute_aliases=]

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