@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + PATH_COUNT_FIELD_NUMBER;
    hash = (53 * hash) + getPathCount();
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<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