public Builder setDiskTypeBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      diskType_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }
<pre>
Type of the disk (default is "pd-standard").
Valid values: "pd-ssd" (Persistent Disk Solid State Drive)
"pd-standard" (Persistent Disk Hard Disk Drive)
"pd-balanced" (Balanced Persistent Disk)
"pd-extreme" (Extreme Persistent Disk)
</pre>

<code>string disk_type = 1;</code>

@param value The bytes for diskType to set.
@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PersistentDiskSpec.java