public void setStringPermissions(Set<String> stringPermissions) {
        this.stringPermissions = stringPermissions;
    }
Sets the string-based permissions assigned directly to the account.  The permissions set here, in addition to any
{@link #getObjectPermissions() object permissions} constitute the total permissions assigned directly to the
account.

@param stringPermissions the string-based permissions assigned directly to the account.
core/src/main/java/org/apache/shiro/authz/SimpleAuthorizationInfo.java