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

@return 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