class Secrets::YAML

def self.resolve(target) 

def self.resolve(target)
  unless target.is_a?(String) && File.file?(target) && target.end_with?('.yml')
    return nil
  end
  new(target)
end

def initialize(target)

array of yaml file paths 
def initialize(target)
  @attributes = ::YAML.load_file(target)
end