```java package hello.world; import com.clerk.backend_api.Clerk; import com.clerk.backend_api.models.components.*; import com.clerk.backend_api.models.components.Security; import com.clerk.backend_api.models.operations.*; import com.clerk.backend_api.utils.EventStream; import java.math.BigDecimal; import java.math.BigDecimal; import java.math.BigInteger; import java.time.LocalDate; import java.time.OffsetDateTime; import java.util.Optional; import org.openapitools.jackson.nullable.JsonNullable; import static java.util.Map.entry; public class Application { public static void main(String[] args) throws Exception { try { Clerk sdk = Clerk.builder() .bearerAuth("") .build(); GetClientListResponse res = sdk.clients().list() .limit(10L) .offset(0L) .call(); while (true) { if (res.clientList().isPresent()) { // handle response Optional nextRes = res.next(); if (nextRes.isPresent()) { res = nextRes.get(); } else { break; } } } } catch (com.clerk.backend_api.models.errors.ClerkErrors e) { // handle exception throw e; } catch (com.clerk.backend_api.models.errors.SDKError e) { // handle exception throw e; } catch (Exception e) { // handle exception throw e; } } } ``` ### Create Actor Tokens This example shows how to create an actor token that can be used to impersonate the given user. ```java package hello.world; import com.clerk.backend_api.Clerk; import com.clerk.backend_api.models.components.*; import com.clerk.backend_api.models.components.Security; import com.clerk.backend_api.models.operations.*; import com.clerk.backend_api.utils.EventStream; import java.math.BigDecimal; import java.math.BigDecimal; import java.math.BigInteger; import java.time.LocalDate; import java.time.OffsetDateTime; import java.util.Optional; import org.openapitools.jackson.nullable.JsonNullable; import static java.util.Map.entry; public class Application { public static void main(String[] args) throws Exception { try { Clerk sdk = Clerk.builder() .bearerAuth("") .build(); CreateActorTokenRequestBody req = CreateActorTokenRequestBody.builder() .userId("") .actor(java.util.Map.ofEntries( entry("sub", "user_2OEpKhcCN1Lat9NQ0G6puh7q5Rb"))) .build(); CreateActorTokenResponse res = sdk.actors().createToken() .request(req) .call(); if (res.actorToken().isPresent()) { // handle response } } catch (com.clerk.backend_api.models.errors.ClerkErrors e) { // handle exception throw e; } catch (com.clerk.backend_api.models.errors.SDKError e) { // handle exception throw e; } catch (Exception e) { // handle exception throw e; } } } ```