@java.lang.Override
  public int getPathCount() {
    return pathCount_;
  }
<pre>
Required. The number of feature permutations to consider when approximating
the Shapley values.

Valid range of its value is [1, 50], inclusively.
</pre>

<code>int32 path_count = 1 [(.google.api.field_behavior) = REQUIRED];</code>

@return The pathCount.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SampledShapleyAttribution.java