public Builder clearBlacklistPatterns() {
      blacklistPatterns_ = com.google.protobuf.LazyStringArrayList.emptyList();
      bitField0_ = (bitField0_ & ~0x00000040);
      ;
      onChanged();
      return this;
    }
<pre>
The blacklist URL patterns as described in
https://cloud.google.com/security-scanner/docs/excluded-urls
</pre>

<code>repeated string blacklist_patterns = 7;</code>

@return This builder for chaining.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1beta/src/main/java/com/google/cloud/websecurityscanner/v1beta/ScanConfig.java