Adds (assigns) a role to those associated with the account. If the account doesn't yet have any roles, a new roles collection (a Set) will be created automatically. @param role the role to add to those associated with the account.
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Adds (assigns) a role to those associated with the account. If the account doesn't yet have any roles, a new roles collection (a Set) will be created automatically. @param role the role to add to those associated with the account.