What is the purpose of FSM$?$This type of question contains radio buttons and checkboxes for selection of options. Use Tab for navigation and Enter or space to select the option.optionATo provide a unified interface to multiple interfaces in a subsystemoptionBTo adapt an existing implementation of a specific interface into another interfaceoptionCTo encapsulate the internal state of an object in another classoptionDTo implement state transitions seamlessly across different states for an object