public Builder mergeFrom(com.google.cloud.websecurityscanner.v1alpha.VulnerableHeaders other) {
      if (other
          == com.google.cloud.websecurityscanner.v1alpha.VulnerableHeaders.getDefaultInstance())
        return this;
      if (headersBuilder_ == null) {
        if (!other.headers_.isEmpty()) {
          if (headers_.isEmpty()) {
            headers_ = other.headers_;
            bitField0_ = (bitField0_ & ~0x00000001);
          } else {
            ensureHeadersIsMutable();
            headers_.addAll(other.headers_);
          }
          onChanged();
        }
      } else {
        if (!other.headers_.isEmpty()) {
          if (headersBuilder_.isEmpty()) {
            headersBuilder_.dispose();
            headersBuilder_ = null;
            headers_ = other.headers_;
            bitField0_ = (bitField0_ & ~0x00000001);
            headersBuilder_ =
                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                    ? getHeadersFieldBuilder()
                    : null;
          } else {
            headersBuilder_.addAllMessages(other.headers_);
          }
        }
      }
      if (missingHeadersBuilder_ == null) {
        if (!other.missingHeaders_.isEmpty()) {
          if (missingHeaders_.isEmpty()) {
            missingHeaders_ = other.missingHeaders_;
            bitField0_ = (bitField0_ & ~0x00000002);
          } else {
            ensureMissingHeadersIsMutable();
            missingHeaders_.addAll(other.missingHeaders_);
          }
          onChanged();
        }
      } else {
        if (!other.missingHeaders_.isEmpty()) {
          if (missingHeadersBuilder_.isEmpty()) {
            missingHeadersBuilder_.dispose();
            missingHeadersBuilder_ = null;
            missingHeaders_ = other.missingHeaders_;
            bitField0_ = (bitField0_ & ~0x00000002);
            missingHeadersBuilder_ =
                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                    ? getMissingHeadersFieldBuilder()
                    : null;
          } else {
            missingHeadersBuilder_.addAllMessages(other.missingHeaders_);
          }
        }
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
Information about vulnerable or missing HTTP Headers.
</pre>

Protobuf type {@code google.cloud.websecurityscanner.v1alpha.VulnerableHeaders}
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1alpha/src/main/java/com/google/cloud/websecurityscanner/v1alpha/VulnerableHeaders.java