public Long getAssociationSize() {
        return this.associationSize;
    }
<p>
The number of resources that are associated to the custom line item.
</p>

@return The number of resources that are associated to the custom line item.
aws-java-sdk-billingconductor/src/main/java/com/amazonaws/services/billingconductor/model/UpdateCustomLineItemResult.java