private void setFormatBytes(com.google.protobuf.ByteString value) {
            checkByteStringIsUtf8(value);
            format_ = value.toStringUtf8();
            bitField0_ |= 0x00000002;
        }
<code>optional string format = 3;</code>

@param value The bytes for format to set.
turms-client-kotlin/src/main/java/im/turms/client/model/proto/model/file/File.java