// doesSignV2Match - Verify authorization header with calculated header in accordance with
//     - http://docs.aws.amazon.com/AmazonS3/latest/dev/auth-request-sig-v2.html
// returns true if matches, false otherwise. if error is not nil then it is always false

func validateV2AuthHeader(r *http.Request) (auth.Credentials, APIErrorCode) {
	var cred auth.Credentials
	v2Auth := r.Header.Get(xhttp.Authorization)

            @Nullable OutputStream stdOut,
            @Nullable OutputStream stdErr)
            throws IOException {
        return new MavenEncCling(world).run(args, stdIn, stdOut, stdErr, true);
    }

    public MavenEncCling() {
        super();
    }

    public MavenEncCling(ClassWorld classWorld) {
        super(classWorld);
    }

    @Override

            @Nullable OutputStream stdOut,
            @Nullable OutputStream stdErr)
            throws IOException {
        return new MavenShellCling(world).run(args, stdIn, stdOut, stdErr, true);
    }

    public MavenShellCling() {
        super();
    }

    public MavenShellCling(ClassWorld classWorld) {
        super(classWorld);
    }

    @Override

     *             or parameter {@code mavenArtifacts} is {@code null} or
     *             {@code mavenArtifacts.isEmpty()} is {@code true}.
     */
    default void install(Session session, Collection<ProducedArtifact> artifacts) {
        install(ArtifactInstallerRequest.build(session, artifacts));
    }

    }

    @Override
    public int hashCode() {
        return hashCode;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }

        if (obj == null) {
            return false;
        }

        if (!FileSource.class.equals(obj.getClass())) {
            return false;
        }

            retVal = map.get(status);
        }

        return retVal != null ? retVal : NONE;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        final ArtifactStatus that = (ArtifactStatus) o;

        return rank == that.rank;
    }

func (db *DB) AutoMigrate(dst ...interface{}) error {
	return db.Migrator().AutoMigrate(dst...)
}

// ViewOption view option
type ViewOption struct {
	Replace     bool   // If true, exec `CREATE`. If false, exec `CREATE OR REPLACE`
	CheckOption string // optional. e.g. `WITH [ CASCADED | LOCAL ] CHECK OPTION`
	Query       *DB    // required subquery.
}

// ColumnType column type interface

		if nr := rules.Difference(rulesMap2[eventName]); len(nr) != 0 {
			rulesMap[eventName] = nr
		} else {
			delete(rulesMap, eventName)
		}
	}
}

// MatchSimple - returns true if matching object name and event name in rules map.
func (rulesMap RulesMap) MatchSimple(eventName Name, objectName string) bool {
	return rulesMap[eventName].MatchSimple(objectName)
}

                }
            }
        }
    }

    private boolean hasBlocks(ClassDoc classDoc) {
        boolean hasBlocks = false;
        if (!classDoc.getClassBlocks().isEmpty()) {
            hasBlocks = true;
        }
        for (ClassExtensionDoc extensionDoc : classDoc.getClassExtensions()) {
            hasBlocks |= !extensionDoc.getExtensionBlocks().isEmpty();
        }
        return hasBlocks;
    }

      <groupId>commons-cli</groupId>
      <artifactId>commons-cli</artifactId>
    </dependency>
    <dependency>
      <groupId>ch.qos.logback</groupId>
      <artifactId>logback-classic</artifactId>
      <optional>true</optional>
    </dependency>

    <dependency>
      <groupId>org.junit.jupiter</groupId>
      <artifactId>junit-jupiter-api</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>