public Builder clearStepCount() {
      bitField0_ = (bitField0_ & ~0x00000001);
      stepCount_ = 0;
      onChanged();
      return this;
    }
<pre>
Required. The number of steps for approximating the path integral.
A good value to start is 50 and gradually increase until the
sum to diff property is met within the desired error range.

Valid range of its value is [1, 100], inclusively.
</pre>

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

@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/XraiAttribution.java