public PolicyGrantingServiceAccess withPolicyArn(String policyArn) {
        setPolicyArn(policyArn);
        return this;
    }
@param policyArn
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-iam/src/main/java/com/amazonaws/services/identitymanagement/model/PolicyGrantingServiceAccess.java