public DescribeOptimizationJobResult clearOptimizationEnvironmentEntries() {
        this.optimizationEnvironment = null;
        return this;
    }
Removes all the entries added into OptimizationEnvironment.

@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/DescribeOptimizationJobResult.java