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-- @module Speed
-- @extend Action
-- @parent_module cc
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-- Replace the interior action.
-- param action The new action, it will replace the running action.
-- @function [parent=#Speed] setInnerAction
-- @param self
-- @param #cc.ActionInterval action
-- @return Speed#Speed self (return value: cc.Speed)
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-- Return the speed.
-- return The action speed.
-- @function [parent=#Speed] getSpeed
-- @param self
-- @return float#float ret (return value: float)
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-- Alter the speed of the inner function in runtime.
-- param speed Alter the speed of the inner function in runtime.
-- @function [parent=#Speed] setSpeed
-- @param self
-- @param #float speed
-- @return Speed#Speed self (return value: cc.Speed)
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-- Initializes the action.
-- @function [parent=#Speed] initWithAction
-- @param self
-- @param #cc.ActionInterval action
-- @param #float speed
-- @return bool#bool ret (return value: bool)
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-- Return the interior action.
-- return The interior action.
-- @function [parent=#Speed] getInnerAction
-- @param self
-- @return ActionInterval#ActionInterval ret (return value: cc.ActionInterval)
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-- Create the action and set the speed.
-- param action An action.
-- param speed The action speed.
-- @function [parent=#Speed] create
-- @param self
-- @param #cc.ActionInterval action
-- @param #float speed
-- @return Speed#Speed ret (return value: cc.Speed)
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--
-- @function [parent=#Speed] startWithTarget
-- @param self
-- @param #cc.Node target
-- @return Speed#Speed self (return value: cc.Speed)
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--
-- @function [parent=#Speed] reverse
-- @param self
-- @return Speed#Speed ret (return value: cc.Speed)
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--
-- @function [parent=#Speed] clone
-- @param self
-- @return Speed#Speed ret (return value: cc.Speed)
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--
-- @function [parent=#Speed] stop
-- @param self
-- @return Speed#Speed self (return value: cc.Speed)
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-- param dt in seconds.
-- @function [parent=#Speed] step
-- @param self
-- @param #float dt
-- @return Speed#Speed self (return value: cc.Speed)
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-- Return true if the action has finished.
-- return Is true if the action has finished.
-- @function [parent=#Speed] isDone
-- @param self
-- @return bool#bool ret (return value: bool)
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--
-- @function [parent=#Speed] Speed
-- @param self
-- @return Speed#Speed self (return value: cc.Speed)
return nil