成员的完整列表，这些成员属于 com.hyphenate.chat.EMConferenceManager.EMConferenceRole,包括所有继承而来的类成员

Admin (定义于 com.hyphenate.chat.EMConferenceManager.EMConferenceRole)	com.hyphenate.chat.EMConferenceManager.EMConferenceRole
Audience (定义于 com.hyphenate.chat.EMConferenceManager.EMConferenceRole)	com.hyphenate.chat.EMConferenceManager.EMConferenceRole
code (定义于 com.hyphenate.chat.EMConferenceManager.EMConferenceRole)	com.hyphenate.chat.EMConferenceManager.EMConferenceRole
EMConferenceRole(int code) (定义于 com.hyphenate.chat.EMConferenceManager.EMConferenceRole)	com.hyphenate.chat.EMConferenceManager.EMConferenceRole
from(int code) (定义于 com.hyphenate.chat.EMConferenceManager.EMConferenceRole)	com.hyphenate.chat.EMConferenceManager.EMConferenceRole	static
Talker (定义于 com.hyphenate.chat.EMConferenceManager.EMConferenceRole)	com.hyphenate.chat.EMConferenceManager.EMConferenceRole