decide to start on an issue, leave a comment so that other people know that
you're working on it. If you want to help out, but not alone, use the issue
comment thread to coordinate.

### Contribution guidelines and standards

Before sending your pull request for
[review](https://github.com/tensorflow/tensorflow/pulls),
make sure your changes are consistent with the guidelines and follow the

the semaphore.
This is a common idiom for limiting concurrency.
</p>

<p>
This program starts a goroutine for every entry in the work list, but the
goroutines coordinate using the <code>limit</code> channel to ensure
that at most three are running work functions at a time.
</p>

<pre>
var limit = make(chan int, 3)

func main() {
	for _, w := range work {

	// setup becoming a reality we must try to shard the work properly such as
	// pick 10 nodes that precisely can send those 100 requests the first node
	// in the 10 node shard would coordinate between other 9 shards to get the
	// rest of the `99*9` requests.
	//
	// This essentially splits the workload properly and also allows for network

needed to link programs that import package net.

Runtime

When using cgo, Go must not assume that it owns all details of the
process. In particular it needs to coordinate with C in the use of
threads and thread-local storage. The runtime package declares a few
variables:

	var (
		iscgo             bool
		_cgo_init         unsafe.Pointer
		_cgo_thread_start unsafe.Pointer

     *             parameter {@code coordinates} is {@code null} or invalid
     */
    default ArtifactResolverResult resolve(Session session, Collection<? extends ArtifactCoordinates> coordinates) {
        return resolve(ArtifactResolverRequest.build(session, coordinates));
    }

    /**
     * Resolves several artifacts from their coordinates.
     *
     * @param session {@link Session}

    @Nonnull
    static ArtifactResolverRequest build(
            @Nonnull Session session, @Nonnull Collection<? extends ArtifactCoordinates> coordinates) {
        return builder()
                .session(nonNull(session, "session cannot be null"))
                .coordinates(nonNull(coordinates, "coordinates cannot be null"))
                .build();
    }

    @Nonnull
    static ArtifactResolverRequest build(

     *
     * @param coordinates artifact coordinates to get as a dependency coordinates
     * @return dependency coordinates for the given artifact
     *
     * @see DependencyCoordinatesFactory#create(Session, ArtifactCoordinates)
     */
    @Nonnull
    DependencyCoordinates createDependencyCoordinates(@Nonnull ArtifactCoordinates coordinates);

    /**

 *
 * @since 4.0.0
 */
@Experimental
public interface ArtifactCoordinatesFactory extends Service {

    /**
     * Creates artifact coordinates.
     *
     * @param request the request holding coordinates creation parameters
     * @return an {@code ArtifactCoordinates}, never {@code null}
     * @throws IllegalArgumentException if {@code request} is null or {@code request.session} is null or invalid

        return ArtifactCoordinatesFactoryRequest.builder()
                .session(nonNull(session, "session"))
                .groupId(nonNull(coordinates, "coordinates").getGroupId())
                .artifactId(coordinates.getArtifactId())
                .classifier(coordinates.getClassifier())
                .version(coordinates.getVersionConstraint().asString())

        return builder()
                .session(nonNull(session, "session cannot be null"))
                .groupId(nonNull(coordinates, "coordinates cannot be null").getGroupId())
                .artifactId(coordinates.getArtifactId())
                .version(coordinates.getVersionConstraint().asString())
                .classifier(coordinates.getClassifier())