@java.lang.Override
    public boolean hasCreationDateStart() {
        return ((bitField0_ & 0x00000001) != 0);
    }
<code>optional int64 creation_date_start = 3;</code>

@return Whether the creationDateStart field is set.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/request/storage/QueryMessageAttachmentInfosRequest.java