public Builder putEnvironmentVariables(java.lang.String key, java.lang.String value) {
        if (key == null) {
          throw new NullPointerException("map key");
        }
        if (value == null) {
          throw new NullPointerException("map value");
        }
        internalGetMutableEnvironmentVariables().getMutableMap().put(key, value);
        bitField0_ |= 0x00000001;
        return this;
      }
<pre>
Environment variables.
</pre>

<code>map&lt;string, string&gt; environment_variables = 1;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AnalyzerDefinition.java