# Package-level declarations

The standard org.gradle.api.Task implementations.

## Types

AbstractCopyTask
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@NonNullApi
@DisableCachingByDefault(because = "Abstract super-class, not to be instantiated directly")
abstract class AbstractCopyTask : ConventionTask, CopySpec, CopySpecSource
`AbstractCopyTask` is the base class for all copy tasks.
AbstractExecTask
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@DisableCachingByDefault(because = "Abstract super-class, not to be instantiated directly")
abstract class AbstractExecTask<T : AbstractExecTask?> : ConventionTask, ExecSpec
`AbstractExecTask` is the base class for all exec tasks.
AntBuilderAware
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interface AntBuilderAware
An `AntBuilderAware` represents an object which can add itself to Ant tasks, using an org.gradle.api.AntBuilder.
CacheableTask
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.TYPE])
annotation class CacheableTask
Attached to a task type to indicate that task output caching should be enabled by default for tasks of this type.
Classpath
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class Classpath
Marks a property as specifying a JVM classpath for a task.
ClasspathNormalizer
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interface ClasspathNormalizer : FileNormalizer
Normalizes file input that represents a Java runtime classpath.
CompileClasspath
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class CompileClasspath
Marks a property as specifying a Java compile classpath for a task.
CompileClasspathNormalizer
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interface CompileClasspathNormalizer : FileNormalizer
Normalizes file input that represents a Java compile classpath.
Console
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class Console
Attached to a task property to indicate that the property is not to be taken into account for up-to-date checking, because its value only influences the console output of the task.
Copy
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@DisableCachingByDefault(because = "Not worth caching")
abstract class Copy : AbstractCopyTask
Copies files into a destination directory.
Delete
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@DisableCachingByDefault(because = "Deletion cannot be cached")
abstract class Delete : ConventionTask, DeleteSpec
Deletes files or directories.
Destroys
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class Destroys
Marks a property as specifying a file or directory that a task destroys.
Exec
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@DisableCachingByDefault(because = "Gradle would require more information to cache this task")
abstract class Exec : AbstractExecTask<T>
Executes a command line process.
FileNormalizer
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interface FileNormalizer
A normalizer used to remove unwanted noise when considering file inputs.
GradleBuild
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@DisableCachingByDefault(because = "Child Gradle build will do its own caching")
abstract class GradleBuild : ConventionTask
Executes a Gradle build.
GroovyRuntime
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abstract class GroovyRuntime
Provides information related to the Groovy runtime(s) used in a project.
GroovySourceDirectorySet
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interface GroovySourceDirectorySet : SourceDirectorySet
Represents a Groovy source set.
GroovySourceSet
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interface GroovySourceSet
A `GroovySourceSet` defines the properties and methods added to a SourceSet by the .
IgnoreEmptyDirectories
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class IgnoreEmptyDirectories
Attached to an input property to specify that directories should be ignored when snapshotting inputs.
Input
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class Input
Attached to a task property to indicate that the property specifies some input value for the task.
InputDirectory
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class InputDirectory
Marks a property as specifying an input directory for a task.
InputFile
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class InputFile
Marks a property as specifying an input file for a task.
InputFiles
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class InputFiles
Marks a property as specifying the input files for a task.
Internal
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class Internal
Attached to a task property to indicate that the property is not to be taken into account for up-to-date checking.
JavaExec
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@DisableCachingByDefault(because = "Gradle would require more information to cache this task")
abstract class JavaExec : ConventionTask, JavaExecSpec
Executes a Java application in a child process.
LocalState
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class LocalState
Marks a property as specifying local state for a task.
Nested
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@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class Nested
Marks a property as specifying a nested bean, whose properties should be checked for annotations.
Optional
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class Optional
Marks a task property as optional.
OutputDirectories
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class OutputDirectories
Marks a property as specifying one or more output directories for a task.
OutputDirectory
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class OutputDirectory
Marks a property as specifying an output directory for a task.
OutputFile
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class OutputFile
Marks a property as specifying an output file for a task.
OutputFiles
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class OutputFiles
Marks a property as specifying one or more output files for a task.
PathSensitive
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class PathSensitive
Annotates a task file property, specifying which part of the file paths should be considered during up-to-date checks.
PathSensitivity
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enum PathSensitivity
Enumeration of different path handling strategies for task properties.
ScalaRuntime
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abstract class ScalaRuntime
Provides information related to the Scala runtime(s) used in a project.
ScalaSourceDirectorySet
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interface ScalaSourceDirectorySet : SourceDirectorySet
A `ScalaSourceDirectorySet` defines the properties and methods added to a org.gradle.api.tasks.SourceSet by the `ScalaPlugin`.
ScalaSourceSet
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interface ScalaSourceSet
A `ScalaSourceSet` defines the properties and methods added to a by the `ScalaPlugin`.
SkipWhenEmpty
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.METHOD, ElementType.FIELD])
annotation class SkipWhenEmpty
Attached to a task property to indicate that the task should be skipped when the value of the property is an empty org.gradle.api.file.FileCollection or directory.
SourceSet
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interface SourceSet : ExtensionAware
A `SourceSet` represents a logical group of Java source and resource files.
SourceSetContainer
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@ServiceScope(value = Project::class)
interface SourceSetContainer : NamedDomainObjectContainer<T>
A `SourceSetContainer` manages a set of SourceSet objects.
SourceSetOutput
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interface SourceSetOutput : FileCollection
A collection of all output directories (compiled classes, processed resources, etc.
SourceTask
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@NonNullApi
@DisableCachingByDefault(because = "Super-class, not to be instantiated directly")
abstract class SourceTask : ConventionTask, PatternFilterable
A `SourceTask` performs some operation on source files.
StopActionException
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open class StopActionException : GradleException
A `StopActionException` is be thrown by a task org.gradle.api.Action or task action closure to stop its own execution and to start execution of the task's next action.
StopExecutionException
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open class StopExecutionException : RuntimeException
A `StopExecutionException` is thrown by a org.gradle.api.Action or task action closure to stop execution of the current task and start execution of the next task.
Sync
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@DisableCachingByDefault(because = "Not worth caching")
abstract class Sync : AbstractCopyTask
Synchronizes the contents of a destination directory with some source directories and files.
TaskAction
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@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = ElementType.METHOD)
@Inherited
annotation class TaskAction
Marks a method as the action to run when the task is executed.
TaskCollection
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interface TaskCollection<T : Task?> : NamedDomainObjectSet<T>
A `TaskCollection` contains a set of Task instances, and provides a number of query methods.
TaskContainer
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interface TaskContainer : TaskCollection<T> , PolymorphicDomainObjectContainer<T>
A `TaskContainer` is responsible for managing a set of Task instances.
TaskDependency
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interface TaskDependency
A `TaskDependency` represents an unordered set of tasks which a Task depends on.
TaskDestroyables
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interface TaskDestroyables
Represents the files or directories that a org.gradle.api.Task destroys (removes).
TaskExecutionException
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open class TaskExecutionException : DefaultMultiCauseException
A `TaskExecutionException` is thrown when a task fails to execute successfully.
TaskFilePropertyBuilder
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interface TaskFilePropertyBuilder : TaskPropertyBuilder
Describes a property of a task that contains zero or more files.
TaskInputFilePropertyBuilder
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interface TaskInputFilePropertyBuilder : TaskFilePropertyBuilder
Describes an input property of a task that contains zero or more files.
TaskInputPropertyBuilder
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interface TaskInputPropertyBuilder : TaskPropertyBuilder
Describes an input property of a task.
TaskInputs
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interface TaskInputs
A `TaskInputs` represents the inputs for a task.
TaskInstantiationException
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open class TaskInstantiationException : GradleException
A `TaskInstantiationException` is thrown when a task cannot be instantiated for some reason.
TaskLocalState
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interface TaskLocalState
Represents the files or directories that represent the local state of a org.gradle.api.Task.
TaskOutputFilePropertyBuilder
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interface TaskOutputFilePropertyBuilder : TaskFilePropertyBuilder
Describes an output property of a task that contains zero or more files.
TaskOutputs
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interface TaskOutputs
A `TaskOutputs` represents the outputs of a task.
TaskPropertyBuilder
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interface TaskPropertyBuilder
Describes a property of a task.
TaskProvider
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interface TaskProvider<T : Task?> : NamedDomainObjectProvider<T>
Providers a task of the given type.
TaskReference
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interface TaskReference : Named
A lightweight reference to a task.
TaskState
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interface TaskState
`TaskState` provides information about the execution state of a org.gradle.api.Task.
UntrackedTask
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@Documented
@Retention(value = RetentionPolicy.RUNTIME)
@Target(value = [ElementType.TYPE])
annotation class UntrackedTask
Attached to a task to declare that the task should be untracked.
Upload
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@DisableCachingByDefault(because = "Produces no cacheable output")
abstract class Upload : ConventionTask
This task is no longer supported and will throw an exception if you try to use it.
VerificationException
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open class VerificationException : GradleException
Signals that a task has failed in a manner which does not prevent consumers of that task's output from running.
VerificationTask
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interface VerificationTask
A `VerificationTask` is a task which performs some verification of the artifacts produced by a build.
WorkResult
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interface WorkResult
Provides information about some work which was performed.
WorkResults
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open class WorkResults
Helps access trivial WorkResult objects.
WriteProperties
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@CacheableTask
abstract class WriteProperties : DefaultTask
Writes a java.util.Properties in a way that the results can be expected to be reproducible.