public void setPrincipal(String principal) {
        this.principal = principal;
    }
<p>
Specifies that you want to list only the resource shares that are associated with the specified principal.
</p>

@param principal
       Specifies that you want to list only the resource shares that are associated with the specified principal.
aws-java-sdk-ram/src/main/java/com/amazonaws/services/ram/model/ListResourcesRequest.java