class InputSetGroupMemberExtra extends InputGroupBase {
    private String group_id;
    private String memberId;
    private String extra;

    public String getGroup_id() {
        return group_id;
    }

    public void setGroup_id(String group_id) {
        this.group_id = group_id;
    }

    public boolean isValide() {
        return true;
    }

    public WFCMessage.ModifyGroupMemberExtra toProtoGroupRequest() {<FILL_FUNCTION_BODY>}

    public String getMemberId() {
        return memberId;
    }

    public void setMemberId(String memberId) {
        this.memberId = memberId;
    }

    public String getExtra() {
        return extra;
    }

    public void setExtra(String extra) {
        this.extra = extra;
    }
}

        WFCMessage.ModifyGroupMemberExtra.Builder modifyAliasBuilder = WFCMessage.ModifyGroupMemberExtra.newBuilder();
        modifyAliasBuilder.setGroupId(group_id);
        modifyAliasBuilder.setMemberId(memberId);
        modifyAliasBuilder.setExtra(StringUtil.isNullOrEmpty(extra)?"": extra);

        if (to_lines != null) {
            for (Integer line : to_lines) {
                modifyAliasBuilder.addToLine(line);
            }
        }

        if (notify_message != null) {
            modifyAliasBuilder.setNotifyContent(notify_message.toProtoMessageContent());
        }
        return modifyAliasBuilder.build();
    
<methods>public non-sealed void <init>() ,public cn.wildfirechat.pojos.MessagePayload getNotify_message() ,public java.lang.String getOperator() ,public List<java.lang.Integer> getTo_lines() ,public void setNotify_message(cn.wildfirechat.pojos.MessagePayload) ,public void setOperator(java.lang.String) ,public void setTo_lines(List<java.lang.Integer>) <variables>public cn.wildfirechat.pojos.MessagePayload notify_message,public java.lang.String operator,public List<java.lang.Integer> to_lines