public Builder setPathBytes(com.google.protobuf.ByteString value) {
        if (value == null) {
          throw new NullPointerException();
        }
        checkByteStringIsUtf8(value);
        path_ = value;
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }
<pre>
Specifies the root path to transfer objects.

Must be an empty string or full path name that ends with a '/'. This
field is treated as an object prefix. As such, it should generally not
begin with a '/'.
</pre>

<code>string path = 2;</code>

@param value The bytes for path to set.
@return This builder for chaining.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java