社交关系类型枚举。
Social relationship type enumeration.
表示用户的粉丝。
Represents the user's followers.
表示用户正在关注的人。
Represents people the user is following.
表示用户的双向关注者，即互相关注的人。
Represents the user's bidirectional followers, i.e., people who follow each other.
Zh
社交关系类型枚举。
En
Social relationship type enumeration.