• spec/mocks/methods
• spec/mocks/argument_constraint_matchers
• spec/mocks/spec_methods
• spec/mocks/proxy
• spec/mocks/mock
• spec/mocks/argument_expectation
• spec/mocks/message_expectation
• spec/mocks/order_group
• spec/mocks/errors
• spec/mocks/error_generator
• spec/mocks/extensions/object
• spec/mocks/space