public Builder setRole(
                im.turms.server.common.access.client.dto.constant.GroupMemberRole value) {
            if (value == null) {
                throw new NullPointerException();
            }
            bitField0_ |= 0x00000008;
            role_ = value.getNumber();
            onChanged();
            return this;
        }
<code>optional .im.turms.proto.GroupMemberRole role = 4;</code>

@param value The role to set.
@return This builder for chaining.
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/request/group/member/CreateGroupMembersRequest.java