public java.util.List<String> getSupportedGatewayCapacities() {
        if (supportedGatewayCapacities == null) {
            supportedGatewayCapacities = new com.amazonaws.internal.SdkInternalList<String>();
        }
        return supportedGatewayCapacities;
    }
<p>
A list of the metadata cache sizes that the gateway can support based on its current hardware specifications.
</p>

@return A list of the metadata cache sizes that the gateway can support based on its current hardware
        specifications.
@see GatewayCapacity
aws-java-sdk-storagegateway/src/main/java/com/amazonaws/services/storagegateway/model/DescribeGatewayInformationResult.java