Represents the valid IMAP4 command set.

IMAPCommands: Array [1..25] Of String  = ( 'CAPABILITY', 'NOOP', 'LOGOUT', 'AUTHENTICATE', 'LOGIN', 'SELECT', 'EXAMINE', 'CREATE', 'DELETE', 'RENAME', 'SUBSCRIBE', 'UNSUBSCRIBE', 'LIST', 'LSUB', 'STATUS', 'APPEND', 'CHECK', 'CLOSE', 'EXPUNGE', 'SEARCH', 'FETCH', 'STORE', 'COPY', 'UID', 'X');

IMAPCommands is a constant Array of Strings representing valid commands in the IMAP4 command set. IMAPCommands is used during execution of a threaded client connection to determine if the command read from the client connection is a valid IMAP4 command. When a valid IMAP4 command is encountered, is is used to determine the event handler triggered to handle the command and optional arguments.