public Builder clearSecretAccessKey() {
        secretAccessKey_ = getDefaultInstance().getSecretAccessKey();
        bitField0_ = (bitField0_ & ~0x00000002);
        onChanged();
        return this;
      }
<pre>
Input only. AWS secret access key.
</pre>

<code>string secret_access_key = 2 [(.google.api.field_behavior) = INPUT_ONLY];</code>

@return This builder for chaining.
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/AwsSourceDetails.java