Note: the Principal Account Holder must be the person signing the Client Verification Form.
注:主要账户持有人必须人签署客户验证形式。
Each account represents a principal and a list of the groups to which the principal belongs.
每个帐户表示一个主体和该主体所属的组列表。
The UsernamePasswordToken class implements the AuthenticationToken interface, which provides a way to get credentials and the user's principal (the account identity).
UsernamePasswordToken 类实现了 AuthenticationToken 接口,它提供了一种获得凭证和用户的主体(帐户身份)的方式。
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