pub fn remove_guardians(&mut self, guardians: Vec<ValidAccountId>) {
        self.assert_owner();
        for guardian in guardians {
            self.guardians.remove(guardian.as_ref());
        }
    }
/// Remove guardians. Only can be called by owner.
Remove guardians. Only can be called by owner.
Remove guardians . Only can be called by owner .
pub fn remove_guardians(&mut self, guardians: Vec<ValidAccountId>) {
        self.assert_owner();
        for guardian in guardians {
            self.guardians.remove(guardian.as_ref());
        }
    }
pub fn remove_guardians ( & mut self , guardians : Vec < ValidAccountId > ) { self . assert_owner ( ) ; for guardian in guardians { self . guardians . remove ( guardian . as_ref ( ) ) ; } }
Remove guardians.
Remove guardians .
&mut self
guardians
Vec<ValidAccountId>
&mut self
guardians
Vec<ValidAccountId>