@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getPipelineId() != null)
            sb.append("PipelineId: ").append(getPipelineId()).append(",");
        if (getQuery() != null)
            sb.append("Query: ").append(getQuery()).append(",");
        if (getSphere() != null)
            sb.append("Sphere: ").append(getSphere()).append(",");
        if (getMarker() != null)
            sb.append("Marker: ").append(getMarker()).append(",");
        if (getLimit() != null)
            sb.append("Limit: ").append(getLimit());
        sb.append("}");
        return sb.toString();
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-datapipeline/src/main/java/com/amazonaws/services/datapipeline/model/QueryObjectsRequest.java