spring-data-mongodb MongoTemplate MongoRepository mongodbMongoRepository MongoTemplate mongodbMongoRepository MongoTemplate . By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. rev2023.1.18.43170. Need more help? What's the term for TV series / movies that focus on a family as well as their individual lives? Writing an explicit constructor will not stop Lombok from generating the All-Args one. LOWER. How can I create an executable/runnable JAR with dependencies using Maven? You signed in with another tab or window. The way to determine if a database or database object is to check its "COLLATION" property and look for "CI" or "CS" in the result. , Or by providing an additional attribute "caseSensitive" on the class level. (If It Is At All Possible). ObjectMapper objectMapper = new ObjectMapper(); import com.fasterxml.jackson.annotation.JsonCreator. Thus, it doesn't care if you code the <div> tag as <div> or <DIV> or <Div>. No method is generated if any method already exists with the same name (case insensitive) and same parameter count. Published at DZone with permission of Andrey Oganesyan. How to see the number of layers currently selected in QGIS. case insensitive adjective Treating or interpreting upper- and lowercase letters as being the same. Sure, it could be smarter when it sees that the first getter was actually generated by lombok itself. This is due to the nature of Java: it requires the definition of methods at compile time so a JavaBean usually needs many method definitions for every member: getters, setters, equals, toString, and maybe some builders, factories or constructors for instantiation. Have a question about this project? Can I (an EU citizen) live in the US if I marry a US citizen? Deprecated. Eclipse, Spring Tool Suite, (Red Hat) JBoss Developer Studio, MyEclipse. The default value is false. This way, the class will not be inheritable. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. The name of the inner type generated by lombok can be controlled with this configuration key. If URLs were universally case-insensitive then there would be no duplicate content issues with differing case. The keyword locks on this, while the annotation locks on a special private field named $lock. Analyzing the projects, we see people stumble into the same pitfalls over and over again. What does "you better" mean in this context of conversation? enthusiast, father, born explorer ;), An Introduction to Event-Driven Architecture, remove those and the admin that want to erase. pop (key) Remove the specified item (case-insensitively). Moreover, there are people using their own rules and defining getters manually, when they dislike the name lombok would generate. However, queries that use $regex cannot efficiently utilize case-insensitive indexes, so these queries can be very slow depending on how much data is in your collection. By using the @Builder annotation, you let Lombok generate the builders for you. This is why we introduced a number of code inspections for Lombok to JPA Buddy. @FieldNameConstants is useful for various marshalling and serialization frameworks. This is why you should read this page from the Lombok official documentation to learn more about when and how to use it. However, the alternative approaches will make this process simpler: just defining the annotations in the interface will generate the implementation code. Any class definition may be annotated with @EqualsAndHashCode to let lombok generate implementations of the equals(Object other) and hashCode() methods. (The line above the class). Next, it will be time to see how to integrate it in your IDE (Integrated Development Environment) and why you should not be afraid of using it. The ideal way to prevent these issues is having an instance without mutators and only accessors to prevent these problems at compile time which is usually called an immutable POJO, and the cleaner way to implement it is through an immutable interface (i.e. Please, note that the equals()) and hashCode()) methods will be generated by Lombok without breaking the contract between them. Or someone truly believes this annotation is a significant coding improvement? Lars Rohrbach Lars Rohrbach. For example, with Immutables we can annotate the interface like this: This will generate a class ImmutableHouse with a builder to create an immutable House instance, and can be used like this: Of course, the above result can be fully customized: if you want to use a different prefix, if you want to prefix with to the builder parameters, etc. Essentially, what we want to achieve is the reduction of boilerplate lines to have a cleaner code base in order to improve readability and maintainability. What are the disadvantages of using a charging station with power banks? However, the generated files were extremely ugly and not following any styling, I don't remember all the problems that we faced but one example was the use of @NonNull annotations that were converted to many lines using if/throw blocks instead of one-line solutions like Guava Preconditions or Validate from Apache Commons. In summary, we didn't need the annotation and it was causing harm instead of adding value. Since these queries are covered by indexes, they execute very quickly. Project Lombok works by plugging into your build process. By default, it'll print your class name, along with each field, in order, separated by commas. This worked for me even when I applied it to the entire class. Thus, each annotation offered by Project Lombok allows you to skip writing methods and logic you would like to avoid, like constructors, equals, and hash code functions. As stated in the official documentation, although not covering all possible IDEs and cases, it makes the process of freeing your code from Lombok easier. The default time interval is 1 minute. Since the behavior of your builder may be complex or highly-tailored, Lombok offers many parameters to achieve the desired result. Alternatively, you can specify which fields you wish to be taken into account by using @ToString(onlyExplicitlyIncluded = true). The only thing we needed to do was tell Lombok to add the @lombok.Generated annotation to its generated methods. case insensitive - Where the case of letters doesn't matter For example, HTML is a "case insensitive" language. Not setting callSuper to true when you extend another class generates a warning, because unless the superclass has no (equality-important) fields, lombok cannot generate an implementation for you that takes into account the fields declared by your superclasses. I'm a software engineer, but I prefer to call myself Technology Bishop. Making statements based on opinion; back them up with references or personal experience. After a team discussion, we agreed to move away from Lombok because we believed it was not solving any critical problem. By default includes all non-transient, non-static fields. The island is approximately 4,500 sq km (1,700 sq miles) and is located to the east of Bali and west of Sumbawa part of the Lesser Sunda Island chain. You might be finding yourself stuck. Hope you find this information useful and wont do similar mistakes. In this article, we looked at how to use Project Lombok, a Java library that automatically plugs into your editor and builds tools, to avoid writing boilerplate, boring, and repetitive code Java is well known for. Not the answer you're looking for? From the documentation - https://projectlombok.org/features/GetterSetter. Core Module only use custom generated getter and setter from Lombok if Jaorm Lombok is provided as dependency it is polite for women to cover their shoulders and thighs. This works like a charm, except if you want to perform pattern matching. --> <configuration scan="true" scanPeriod="30 seconds" debug="false . Lets redefine our definition of House with an immutable interface: Then, we can have an implementation like this to set the fields only during instantiation: If we really need another implementation that requires mutable fields like the bean above, we can just create it by extending our original definition: Then, you can use this bean only where is needed, while most of the code will just use the interface. Defining immutable interfaces is a very good practice, and Im sad that the core Java interfaces were not defined in this way: modern code uses constantly immutable collections and maps but the standard interfaces contain modifiers like put or add, so immutable implementations can only throw an exception if those methods are called which means a misuse cant be prevented at compile-time. Connect and share knowledge within a single location that is structured and easy to search. : which is slightly shorter but still easy to make a mistake and rename argument name in constructor but not in annotation.Fortunately, Lombok can generate it as well if we only configure it properly.To do so, we have to add a property file in project root folder named lombok.config with content: lombok.anyConstructor.addConstructorProperties=trueThen we can be happy with clean DTO implementation like we initially wanted to have: You can find examples of codes mentioned above on Github. As mentioned above, @EqualsAndHashCode includes all the object fields by default. Lombok as is saves me maybe half a megabyte of boilerplate (more than Java 8 features do) and much more is hardly achievable (at least not without a medium-sized company backing it). If a method is marked for inclusion and it has the same name as a field, it replaces the field (the method is included, the field is excluded). How Intuit improves security, latency, and development velocity with a Site Maintenance- Friday, January 20, 2023 02:00 UTC (Thursday Jan 19 9PM Were bringing advertisements for technology courses to Stack Overflow, JSON property file case insensitive in Jackson. Already on GitHub? If you need to write your own equals methods, you should always override canEqual if you change equals and hashCode. maven guoranxinxian-shop-common-core But the answer to this is related to very old principles: separation of concerns and minimization of mutability. Third, you can run a case-insensitive query by setting the default collation strength for queries and indexes to a strength of 1 or 2 when you create a collection. From lombok v1.16.22 to lombok v1.18.2, this feature generated constants inside the type directly; the name of these fields would for example turn field exampleFieldName into public static final String FIELD_EXAMPLE_FIELD_NAME = "exampleFieldName";. To create a database with an English collation that is case insensitive, use the following statement: CREATE DATABASE testdb. Small print Starting with lombok v1.18.6, lombok will silently skip generating anything that already exists. Java is a case sensitive language. However, there are a few things to consider when using it with JPA. import io.swagger.annotations.ApiModelProperty; import lombok.Getter; import lombok.Setter; import java.math.BigDecimal; @Getter @Setter public class WeixinPayForm{@ApiModelProperty("") private String body; @ApiModelProperty("ip") private String ip; @ApiModelProperty("") private String outTradeNo . So, @Data generates all the boilerplate involved in POJOs (Plain Old Java Objects). Lets see the following bean as an example: The main problem here is that an instance of House doesnt guarantee a non-null mainDoor, even if that is desired, so the code requiring the mainDoor should check if that field is non-null and throw a runtime exceptions saying I need this to be non-null, but I dont have any idea why is null. This is because the purpose of the generated toString() method is to print the type plus the values of all the fields, something like MyEnum(field1=value1, field2=value2,), however, here we didn't have any field so just the type was printed. @Cleanup can be used to ensure a given resource is automatically cleaned up before leaving the current scope. This is why Lombok provides developers with an annotation per each of the most popular logging frameworks. spring-data-mongodb MongoTemplate MongoRepository mongodbMongoRepositoryMongoTemplatemongodbMongoRepositoryMongoTemplate. Kotlin Is More Fun Than Java And This Is a Big Deal, Developers Handbook for Infrastructure Monitoring, Always exclude lazy attributes when using. This Java library provides you with several annotations aimed at avoiding writing Java code known to be repetitive and/or boilerplate. This is required if you use a @NonNullByDefault style annotation in combination with strict nullity checking. Try to build an object with the new builder method and check which values were set: The generated builder() method is using the second builder (the one with toBuilder property) and not setting the usernamefrom passed User object. In addition, since version Jackson 2.9 you can do the same using annotation @JsonFormat(with = JsonFormat.Feature.ACCEPT_CASE_INSENSITIVE_PROPERTIES) over a field or class, which is a more flexible option. How Could One Calculate the Crit Chance in 13th Age for a Monk with Ki in Anydice? Find centralized, trusted content and collaborate around the technologies you use most. Can I (an EU citizen) live in the US if I marry a US citizen? If you want to preserve but ignore case, use something like a custom CaseInsensitiveString as a wrapper that defines its own equality. For example, the letter 'a' is considered different than the letter 'A'. For more details see the documentation on the onX feature. @FieldNameConstants was introduced as experimental feature in lombok v1.16.22. (ie., different cases) Example 1: Conversion to lower case for comparison Same is for generated conductors, to either apply toLower() toUpper() or trim() etc. Sorry, although I understand that there is a use-case for it, due to the reasons @Maaartinus mentioned, we're not going to add support for multiple fields that have the same case-insensitive name. 1 java.util.Timer2 ScheduledExecutorService3 Spring Task 1 java.util.Timer Timer TimerTask Timer TimerTask TimerTasknew run Timer Ignoring the case in a where clause is very simple. First, we will see what Project Lombok is and how it works. This can have an unwanted side-effect for JPA entities: accidentally loading lazy attributes. Well occasionally send you account related emails. That is, generate something like this: The story above is just to describe my short experience with Lombok, but after using other approaches to solve the problems Lombok was made for, I believe that new code should totally avoid it. Sign up now to join the discussion. Thanks for contributing an answer to Stack Overflow! IDE Support If applying @EqualsAndHashCode to a class that extends another, this feature gets a bit trickier. For hashCode, the result of super.hashCode() is included in the hash algorithm, and forequals, the generated method will return false if the super implementation thinks it is not equal to the passed in object. To see examples and get more support, click on each annotation and visit its page on the Lombok official documentation. But lombok has to deal with undocumented compiler internals and that adds more than an order of magnitude overhead. How can citizens assist at an aircraft crash site? In order to fix the issue, we added lombok.config file to the root of our project . So let's have a closer look at the problem and . If it was code generation using reflection or plain annotation processing, I'd vote for finding the best solution. This behaviour can be suppressed: However, there are a few things to consider when using it with JPA. By default, all non-static, non-transient fields will be taken into account. by using some annotations you can generate constructors, getters, setters and other helpful code for your classes. This is like an attempt to make Java closer to Scala or Kotlin and makes me coming back to my original thought: why not coding in another JVM language instead of adding experimental features to Java? Since 2.13 use JsonMapper.builder().enable(), The recommended approach is to one of use overloaded versions of configure() method, which is coming from MapperBuilder (parent of JsonMapper.Builder class). Project Lombok (from now on, Lombok) is an annotation-based Java library that allows you to reduce boilerplate code. How can we cool a computer connected on top of or within a human brain? You can find the entire list here. Sign in Is my use case different? We believe @EqualsAndHashCode and @Data should not be used for entities at all, so JPA Buddy alerts developers: @ToString can still be used, but all the lazy fields need to be excluded. So, this annotation allows you to avoid the required try-catch blocks completely by handling all the checked exceptions quietly. Each of them will be explained and then seen in use compared to the equivalent Java vanilla translation. Why can't you pass the uppercased/lowercased/trimmed/ string to the constructor of the object in the first place? How do I generate random integers within a specific range in Java? When dealing with static methods, the annotation will lock on a static field named $LOCK. Obviously, when @AllArgsConstructor is used the compiler does not generate the default constructor, the same is true for @Builder: Applying @Builder to a class is as if you added @AllArgsConstructor(access = AccessLevel.PACKAGE) to the class and applied the @Builder annotation to this all-args-constructor. rev2023.1.18.43170. In this tutorial, we'll see how we can make copies of immutable objects with changes to only a single property using this library. By clicking Sign up for GitHub, you agree to our terms of service and The @FieldNameConstants annotation generates an inner type which contains 1 constant for each field in your class; either string constants (fields marked public static final, of type java.lang.String) or if you prefer, an enum type with 1 value for each field - write @FieldNameConstants(asEnum = true) for the enum variant. However, lombok-generated equals implementations do handle this situation properly, so you can safely call your superclass equals if it, too, has a lombok-generated equals method. Find centralized, trusted content and collaborate around the technologies you use most. If the Teradata session mode is in ANSI mode, the default is case-sensitive; if it's in Teradata mode, it's dependent on the DefaultCaseSpec parameter at cluster level. lombok.fieldNameConstants.uppercase = [ true | false] (default: false) If true, attempt to uppercase the generated fields. This is the default behavior, but you can also specify lock objects yourself. Instead of adding a clean method in the forms, I opted to use a pre_save signal in models like this: # Case-Insensitive Username. Any parameters of lombok annotations that take strings need to be supplied actual string literals; you cannot have references to constants like those generated by @FieldNameConstants. By setting the includeFieldNames parameter to true, the name of each field will be placed before its value. COLLATE USING UCA500R1_LEN_S2. You can even merge Scala and Java code in the same project. David US English Zira US English How do I sort array values in case-insensitive order? These options love to interact in unforeseen ways causing unexpected bugs and maintenance costs. Before writing a single line of code for it, we went through a ton of projects on GitHub to understand how people work with JPA. You may be concerned about spreading Lombok annotations throughout your codebase. emojiEmoji4Mysqlutf83 debug: When this property is set to true, the internal log information of logback will be printed, and the running status of logback can be checked in real time. Message 4 of 4. In this post I will show you a few common use cases of Lombok, problems you may face and propose solutions for them. Plus, it definitely involves repetitive code, like getters and setters. LASTNAME. Follow edited Oct 4, 2015 at 23:28. d-cubed. However, the compiler will complain in case we write a custom constructor with the same signature as the one generated by @AllArgsConstructor. JPA Buddy has a special action for it: According to the JPA specification, all entity classes are required to have a public or protected no-argument constructor. It is absolutely fine to use Lombok in your JPA projects, but it has some caveats. So make sure to always use them with @NoArgsConstructor or an explicit no-argument constructor: Lombok makes your code look nicer, but as with any magic-like tool, it is important to understand how exactly it works and when to use it. Already on GitHub? This can be achieved by placing @ToString.Exclude on the desired fields, or by using @ToString(onlyExplicitlyIncluded = true) on the class and @ToString.Include on non-lazy fields. You can configure the mapper to be case insensitive using MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES. By default, a String containing the class name, followed by each field's value separated by a comma, will be returned. Like so: @Mappings({@Mapping(target = Entity.Fields.entityProperty, source = "dtoProperty")}). : Then we could deserialize JSON like this: This is because the generated class looks as follows: Jackson does not recognise that the constructor is a creator of the class, it expects default constructor or constructor annotated with: @JsonCreator e.g. Project Lombok is a Java library which can generate some commonly used code and facilitate keeping source code clean, e.g. Lombok offers various annotations aimed at replacing Java code that is well known for being boilerplate, repetitive, or tedious to write. Otherwise, you might accidentally hurt the performance of your application or even break something. Java-rest call: Population of value within variable should work for two variables name, @Requestbody is not Getting my JSON object Spring-Boot, com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "Symbol", Spring Boot + MVC JSON Binding - make case INsensitive in limited scope, How to map JSON case insensitively from http POST request. If there is any method named either hashCode or equals, regardless of return type, no methods will be generated, and a warning is emitted instead. The includeFieldNames parameter to true, attempt to uppercase the generated fields dislike... Vote for finding the best solution content and collaborate around the technologies you use most explicit! That adds more than an order of magnitude overhead want to perform pattern.... Code and facilitate keeping source code clean, e.g wont do similar mistakes at an aircraft site! Be controlled with this configuration key alternative approaches will make this process simpler: just defining annotations. With differing case very old principles: separation of concerns and minimization of mutability logging frameworks works... How it works those and the community Maven guoranxinxian-shop-common-core but the answer to this is why Lombok developers... Serialization frameworks alternatively, you should read this page from the Lombok official documentation using with... Adds more than an order of magnitude overhead pass the uppercased/lowercased/trimmed/ string to the equivalent Java vanilla translation English US! See the documentation on the Lombok official documentation to learn more about when how... Of adding value we believed it was code generation using reflection or Plain annotation processing, I 'd vote finding. Where clause is very simple from Lombok because we believed it was harm... Is a Java library provides you with several annotations aimed at avoiding writing Java code that is well known being... [ true | false ] ( default: false ) if true, to. Lock on a special private field named $ lock and serialization frameworks vanilla translation, can. Alternatively, you can specify which fields you wish to be taken into account have closer! Annotation is a Java library that allows you to reduce boilerplate code aircraft crash site suppressed. Class will not be inheritable stop Lombok from generating the All-Args one of! As experimental feature in Lombok v1.16.22 would be no duplicate content issues with differing case I marry a citizen! Has to deal with undocumented compiler internals and that adds more than an order of overhead! And serialization frameworks separated by commas to this is related to very old:... Timertasknew run Timer Ignoring the case in a where clause is very simple Event-Driven... See the number of layers currently selected in QGIS in combination with strict nullity checking,. The issue, we added lombok.config file to the constructor of the inner type generated by Lombok be... Pitfalls over and over again dtoProperty '' ) } ) repetitive code, like getters setters... Class level because we believed it was not solving any critical problem it some. Parameter to true, attempt to uppercase the generated fields n't you pass the uppercased/lowercased/trimmed/ string the... See examples and get more Support, click on each annotation and it was causing instead... These queries are covered by indexes, they execute very quickly above, @ EqualsAndHashCode to a that... Works by plugging into your build process into your build process EqualsAndHashCode to a class extends... Allows you to reduce boilerplate code lowercase letters as being the same indexes, execute! Easy to search admin that want to perform pattern matching aircraft crash site fix the issue, will! A computer connected on top of or within a human brain dtoProperty '' ) } ) on the official! Its own equality used code and facilitate keeping source code clean, e.g silently skip generating anything already! '' ) } ) we write a custom CaseInsensitiveString as a wrapper that defines its equality. Over again involved in POJOs ( Plain old Java Objects ) behaviour can be used to a... Ignore case, use something like a custom constructor with the same name ( case insensitive, use the statement... ( default: false ) if true, attempt to uppercase the generated fields Plain old Objects. Use most this, while the annotation will lock on a static field named $.! Stop Lombok from generating the All-Args one remove those and the community in compared. Crit Chance in 13th Age for a free GitHub account to open an issue and contact its and... Is generated if any method already exists with the same signature as the one by... Specify lock Objects yourself aircraft crash site the builders for you in 13th Age for a Monk Ki. And Java code in the first getter was actually generated by Lombok itself simpler: just defining annotations... Objects yourself I create an executable/runnable JAR with dependencies using Maven queries are covered by,... Break something, click on each annotation and it was causing harm instead of adding value @ Cleanup can used. ( default: false ) if true, attempt to uppercase the generated fields absolutely... Using @ ToString ( onlyExplicitlyIncluded = true ) GitHub account to open an issue and its. And wont do similar mistakes the constructor of the most popular logging frameworks maintainers and admin! Stop Lombok from generating the All-Args one, will be explained and seen. Marry a US citizen it to the root of our project since these queries are covered by,... Using a charging station with power banks ) if true, attempt to uppercase the generated fields ( EU. Extends another, this lombok case insensitive is a Java library that allows you avoid! From the Lombok official documentation structured and easy to search pop ( ). Generates all the object in the US if I marry a US citizen code known to be case,... Annotations aimed at avoiding writing Java code that is structured and easy to search you better '' mean this. 'S the term for TV series / movies that focus on a static field named $ lock need to your! Truly believes this annotation allows you to avoid the required try-catch blocks completely by all! Writing Java code in the US if I marry a US citizen remove the specified item ( case-insensitively.. Code clean, e.g allows you to reduce boilerplate code that adds more than an of! Annotations aimed at replacing Java code that is structured and easy to.! Find this information useful and wont do similar mistakes a number of layers currently selected in QGIS the,! Java library provides you with several annotations aimed at avoiding writing Java in. This lombok case insensitive useful and wont do similar mistakes to uppercase the generated.! Disadvantages of using a charging station with power banks power banks Calculate the Crit in... Lombok provides developers with an English collation that is well known for being boilerplate,,. And wont do similar mistakes use it merge Scala and Java code in the US I... Blocks completely by handling all the object in the US if I marry a US citizen smarter it! Being the same statements based on opinion ; lombok case insensitive them up with references or personal experience change equals and.! Automatically cleaned up before leaving the current scope ) live in the US if I marry a US citizen to. Critical problem the current scope Lombok itself defining getters manually, when they the. Solving any critical problem parameter count was tell Lombok to add the @ Builder annotation you. Name ( case insensitive, use the following statement: create database testdb specify lock Objects yourself bugs and costs! Be no duplicate content issues with differing case FieldNameConstants was introduced as experimental feature in Lombok v1.16.22 lowercase letters being. Account by using the @ lombok.Generated annotation to its generated lombok case insensitive significant coding improvement anything that already exists find information. Into your build process the following statement: create database testdb case, use like... To be taken into account by using some annotations you can configure the mapper be... Your Builder may be concerned about spreading Lombok annotations throughout your codebase @ Mapping target. Official documentation to learn more about when and how to see the number of inspections. Unforeseen ways causing unexpected bugs and maintenance costs lombok case insensitive @ Mappings ( @... Unwanted side-effect for JPA entities: accidentally loading lazy attributes some caveats Lombok works by plugging into your build.! Moreover, there are a few common use cases of Lombok, problems you may be or!, followed by each field will be returned Lombok from generating the All-Args.... Clause is very simple over and over again annotations throughout your codebase the @ lombok.Generated annotation its! Which can generate constructors, getters, setters and other helpful code for your classes or truly... The performance of your Builder may be concerned about spreading Lombok annotations throughout your codebase import.. Are the disadvantages of using a charging station with power banks there would be no duplicate issues... Perform pattern matching to see the number of layers currently selected in.! Has to deal with undocumented compiler internals and that adds more than an order of magnitude.! Even break something a @ NonNullByDefault style annotation in combination with strict nullity checking a. Unexpected bugs and maintenance costs dealing with static methods, you let Lombok generate the builders for you ( now. A specific range in Java will lock on a special private field named $ lock is a significant improvement... So, @ EqualsAndHashCode includes all the object fields by default, a containing., you should always override canEqual if you change equals and hashCode TimerTask TimerTasknew run Timer Ignoring the case a... You with several annotations aimed at replacing Java code that is well known for boilerplate..., MyEclipse process simpler: just defining the annotations in the US if I a! Will be placed before its value cool a computer connected on top of or within human! Have a closer look at the problem and people stumble into the same signature as one! By indexes, they execute very quickly code clean, e.g by plugging into build! You might accidentally hurt the performance of your Builder may be complex or highly-tailored, Lombok is!
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