Consider the following pairs: 

S.No	Type of Bail	Description
1.	Regular Bail	Granted for a short period of time before a regular bail hearing
2	Interim Bail	Granted under Section 438 of CrPC for a person fearing arrest
3	Anticipatory Bail	Granted to a person already arrested or in police custody
4	Conditional Bail	Does not exist in the Indian legal system

How many of the above pairs is/are correctly matched?