// Init represents the structure.
type Init struct {
	done uint32
	m    sync.Mutex
}

// Do is similar to sync.Once.Do - makes one successful
// call to the function. ie, it invokes the function
// if it is not successful yet.
func (l *Init) Do(f func() error) error {
	if atomic.LoadUint32(&l.done) == 0 {
		return l.do(f)
	}
	return nil
}

import org.apache.maven.lifecycle.mapping.LifecycleMapping;
import org.apache.maven.lifecycle.mapping.LifecyclePhase;

import static java.util.Objects.requireNonNull;

/**
 * Base lifecycle mapping provider, ie per-packaging plugin bindings for {@code default} lifecycle.
 */
public abstract class AbstractLifecycleMappingProvider implements Provider<LifecycleMapping> {
    // START SNIPPET: versions

                                try {
                                    Thread.sleep(10);
                                } catch (InterruptedException ie) {
                                    // ignore
                                }
                                file.delete(); // if this fails, forget about it
                            }
                        }

 * things like environment, system properties, extensions etc. are loaded only once. It is caller duty to ensure
 * that subsequent call is right for the resident instance (ie no env change or different extension needed).
 * This implementation "pre-populates" MavenContext with pre-existing stuff (except for very first call)
 * and does not let DI container to be closed.
 */

        }
    }

    /**
     * Continues an MD4 message digest using the input byte.
     */
    @Override
    public void engineUpdate(final byte b) {
        // compute number of bytes still unhashed; ie. present in buffer
        final int i = (int) (count % BLOCK_LENGTH);
        count++; // update number of bytes
        buffer[i] = b;
        if (i == BLOCK_LENGTH - 1) {
            transform(buffer, 0);
        }

l(i),a=setInterval((function(){e._navScroll(i)}),250)})),n.default(document).on("mouseup",(function(){t&&(t=!1,clearInterval(a),a=null)}))},t._setItemActive=function(e){n.default(xe+", "+Te).removeClass("active"),n.default(Ie).parent().removeClass("active");var t=n.default(Ie+'[href$="'+e+'"]'),a=n.default('.main-header a.dropdown-item[href$="'+e+'"]'),i=n.default(xe+'[href$="'+e+'"]');t.each((function(e,t){n.default(t).parent().addClass("active")})),a.each((function(e,t){n.default(t).addClass("...

                    return;
                }
                try {
                    transport.wait();
                } catch (final InterruptedException ie) {
                    throw new SmbException(ie.getMessage(), ie);
                }
            }
            connectionState = 1; // trying ...

            try {
                transport.connect();

                /*

public interface ParserRequest {
    /**
     * Returns the Maven command to be executed. This command is used in some invokers (ie forked) but also to
     * present help to user.
     *
     * @return the command string
     */
    @Nonnull
    String command();

    /**
     * Returns the Maven command name (ie "Maven"). This string is used in some invokers to complete error messages.
     *
     * @return the command (human) name

    assertThat(fingerprint(stringA.getBytes(UTF_8)))
        .isNotEqualTo(fingerprint(stringB.getBytes(UTF_8)));

    // ISO 8859-1 only has 0-255 (ubyte) representation so throws away UTF-8 characters
    // greater than 127 (ie with their top bit set).
    // Don't attempt to do this in real code.
    assertEquals(
        fingerprint(stringA.getBytes(ISO_8859_1)), fingerprint(stringB.getBytes(ISO_8859_1)));
  }

  public void testPutNonChars() {

            slowChannel.doBegin();
            isInterruptibleRegistered.countDown();
            try {
              new CountDownLatch(1).await(); // the interrupt will wake us up
            } catch (InterruptedException ie) {
              // continue
            }
            LockSupport.unpark(Thread.currentThread()); // simulate a spurious wakeup.
            return null;
          }

          @Override