private void ensureThreatTypesIsMutable() {
      if (!((bitField0_ & 0x00000002) != 0)) {
        threatTypes_ = new java.util.ArrayList<java.lang.Integer>(threatTypes_);
        bitField0_ |= 0x00000002;
      }
    }
<pre>
Required. The URI to be checked for matches.
</pre>

<code>string uri = 1 [(.google.api.field_behavior) = REQUIRED];</code>

@param value The bytes for uri to set.
@return This builder for chaining.
java-webrisk/proto-google-cloud-webrisk-v1/src/main/java/com/google/webrisk/v1/SearchUrisRequest.java