/**
 * A unit of work that will only be executed atomically and its outputs be reused indefinitely from an immutable workspace.
 */
public interface ImmutableUnitOfWork extends UnitOfWork {
    /**
     * Returns the {@link ImmutableWorkspaceProvider} to allocate a workspace to execution this work in.
     */
    ImmutableWorkspaceProvider getWorkspaceProvider();

/**
 * A unit of work that can be executed multiple times in the same workspace.
 * Such work can reuse outputs from a previous execution.
 */
public interface MutableUnitOfWork extends UnitOfWork {
    /**
     * Returns the {@link MutableWorkspaceProvider} to allocate a workspace to execution this work in.
     */
    MutableWorkspaceProvider getWorkspaceProvider();

     */
    void addListener(WorkInputListener listener);

    void removeListener(WorkInputListener listener);

    void broadcastFileSystemInputsOf(UnitOfWork work, EnumSet<InputBehavior> relevantBehaviors);

import org.gradle.internal.fingerprint.CurrentFileCollectionFingerprint;
import org.gradle.internal.hash.HashCode;

/**
 * Captures the state of a {@link org.gradle.internal.execution.UnitOfWork} after it has been executed.
 *
 * Execution here might also mean being up-to-date or loaded from cache.
 */
public interface AfterExecutionState extends ExecutionInputState, ExecutionOutputState {
    @Override

import java.io.File;

public interface OutputSnapshotter {
    /**
     * Takes a snapshot of the outputs of a work.
     */
    ImmutableSortedMap<String, FileSystemSnapshot> snapshotOutputs(UnitOfWork work, File workspace)
        throws OutputFileSnapshottingException;

    class OutputFileSnapshottingException extends RuntimeException {
        private final String propertyName;

import com.google.common.collect.ImmutableList;
import org.gradle.caching.internal.origin.OriginMetadata;
import org.gradle.internal.Try;
import org.gradle.internal.execution.ExecutionEngine;
import org.gradle.internal.execution.UnitOfWork;
import org.gradle.internal.execution.caching.CachingDisabledReason;
import org.gradle.internal.execution.caching.CachingDisabledReasonCategory;
import org.gradle.internal.execution.caching.CachingState;

import org.gradle.internal.snapshot.ValueSnapshot;
import org.gradle.internal.snapshot.impl.ImplementationSnapshot;

/**
 * Captures the state of the inputs of a {@link org.gradle.internal.execution.UnitOfWork}.
 */
public interface ExecutionInputState {
    /**
     * The main implementation snapshots.
     */
    ImplementationSnapshot getImplementation();

    /**

     * <p>
     *
     * @param work the identity of the unit of work to be executed
     * @param relevantBehaviors the file system inputs relevant to the task execution
     */
    void onExecute(UnitOfWork work, EnumSet<InputBehavior> relevantBehaviors);

import org.gradle.caching.internal.origin.OriginMetadata;
import org.gradle.internal.snapshot.FileSystemSnapshot;

/**
 * Captures the state of the outputs of a {@link org.gradle.internal.execution.UnitOfWork}.
 */
public interface ExecutionOutputState {

    /**
     * Whether the execution was successful.
     */
    boolean isSuccessful();

    /**
     * Snapshots of the roots of output properties.

import org.gradle.internal.execution.InputFingerprinter
import org.gradle.internal.execution.InputFingerprinter.Result
import org.gradle.internal.execution.UnitOfWork.InputFileValueSupplier
import org.gradle.internal.execution.UnitOfWork.InputVisitor
import org.gradle.internal.fingerprint.CurrentFileCollectionFingerprint
import org.gradle.internal.fingerprint.DirectorySensitivity