public Builder clearContentType() {
      contentType_ = getDefaultInstance().getContentType();
      bitField0_ = (bitField0_ & ~0x00000001);
      onChanged();
      return this;
    }
<pre>
The MIME type of this resource.
</pre>

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

@return This builder for chaining.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1alpha/src/main/java/com/google/cloud/websecurityscanner/v1alpha/ViolatingResource.java