*
     * @param model The model into which to merge the values specified by its plugin management section, must not be
     *            <code>null</code>.
     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */

     * <code>maven-toolchains-plugin</code> contains the configuration to select the appropriate
     * toolchain and is executed at the beginning of the build.
     *
     * @param type the type, must not be {@code null}
     * @param context the Maven session, must not be {@code null}
     * @return the toolchain selected by <code>maven-toolchains-plugin</code>
     */
    Toolchain getToolchainFromBuildContext(String type, MavenSession context);

                        problems,
                        Severity.FATAL,
                        Version.BASE,
                        "parent.artifactId",
                        null,
                        "must be changed"
                                + ", the parent element cannot have the same groupId:artifactId as the project.",
                        parent);
            }

   judicial order, or regulation then You must: (a) comply with the terms of
   this License to the maximum extent possible; and (b) describe the
   limitations and the code they affect. Such description must be placed in a
   text file included with all distributions of the Covered Software under
   this License. Except to the extent prohibited by statute or regulation,
   such description must be sufficiently detailed for a recipient of ordinary

     *
     * @param profiles The profiles whose activation status should be determined, must not be {@code null}.
     * @param context The environmental context used to determine the activation status of a profile, must not be
     *            {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     * @return The profiles that have been activated, never {@code null}.
     */

  // `verbs` is a list of matching verbs and may not be empty.
  // "*" matches all verbs and, if present, must be the only entry.
  // +listType=set
  // Required.
  repeated string verbs = 1;

  // `apiGroups` is a list of matching API groups and may not be empty.
  // "*" matches all API groups and, if present, must be the only entry.
  // +listType=set
  // Required.
  repeated string apiGroups = 2;

       */
      assertTrue(item + " must be inequivalent to null", !equivalence.equivalent(item, null));
      assertTrue("null must be inequivalent to " + item, !equivalence.equivalent(null, item));
      assertTrue(item + " must be equivalent to itself", equivalence.equivalent(item, item));
      assertEquals(
          "the hash of " + item + " must be consistent",
          equivalence.hash(item),

    /**
     *
     * @param model the model, must not be {@code null}
     * @param logger the logger, must not be {@code null}
     */
    protected DefaultToolchain(ToolchainModel model, Logger logger) {
        this.model = model;
        this.logger = logger;
    }

    /**
     *
     * @param model the model, must not be {@code null}
     * @param type the type

       */
      assertTrue(item + " must be inequivalent to null", !equivalence.equivalent(item, null));
      assertTrue("null must be inequivalent to " + item, !equivalence.equivalent(null, item));
      assertTrue(item + " must be equivalent to itself", equivalence.equivalent(item, item));
      assertEquals(
          "the hash of " + item + " must be consistent",
          equivalence.hash(item),

package zip

import (
	"compress/flate"
	"errors"
	"io"
	"sync"
)

// A Compressor returns a new compressing writer, writing to w.
// The WriteCloser's Close method must be used to flush pending data to w.
// The Compressor itself must be safe to invoke from multiple goroutines
// simultaneously, but each returned writer will be used only by
// one goroutine at a time.
type Compressor func(w io.Writer) (io.WriteCloser, error)