class RSpec::Mocks::OrderGroup

@private

def clear 

def clear
  @ordering.clear
end

def consume

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    Private: - 
def consume
  @ordering.shift
end

def empty? 

def empty?
  @ordering.empty?
end

def handle_order_constraint(expectation)

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    Private: - 
def handle_order_constraint(expectation)
  return unless @ordering.include?(expectation)
  return consume if ready_for?(expectation)
  expectation.raise_out_of_order_error
end

def initialize 

def initialize
  @ordering = Array.new
end

def ready_for?(expectation)

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    Private: - 
def ready_for?(expectation)
  @ordering.first == expectation
end

def register(expectation)

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    Private: - 
def register(expectation)
  @ordering << expectation
end