return (context, query, boost) -> filter.execute(context, query, boost, chain);
    }

    /**
     * Creates the default filter chain that executes query commands.
     * This chain looks up the appropriate query command based on the query class name
     * and executes it. If no command is found, throws an InvalidQueryException.
     *
     * @return the default filter chain implementation
     */

 *
 * <pre>
 * interface Book {...}
 * public class Books {
 *   public static Book hardcover(String title) {...}
 *   public static Book paperback(String title) {...}
 * }
 * </pre>
 *
 * <p>And all the created {@code Book} instances can be tested with:
 *
 * <pre>
 * new ClassSanityTester()
 *     .forAllPublicStaticMethods(Books.class)
 *     .thatReturn(Book.class)

> Note that anyone can access or delete master keys at `https://play.min.io:7373`. You should run your own KES
> instance in production.

## Configuration Guides

A typical MinIO deployment that uses a KMS for SSE-S3 looks like this:

```
    ┌────────────┐
    │ ┌──────────┴─┬─────╮          ┌────────────┐
    └─┤ ┌──────────┴─┬───┴──────────┤ ┌──────────┴─┬─────────────────╮

				scheme := "http"
				if r.TLS != nil {
					scheme = "https"
				}
				return scheme
			}(),
		}
	}
	return nil
}

// guessIsHealthCheckReq - returns true if incoming request looks
// like healthCheck request
func guessIsHealthCheckReq(req *http.Request) bool {
	if req == nil {
		return false
	}
	aType := getRequestAuthType(req)

      processCalled--; // don't count the tail invocation (makes tests a bit more understandable)
    }

    // ensures that the number of invocations looks sane
    void assertInvariants(int expectedBytes) {
      // we should have seen as many bytes as the next multiple of chunk after expectedBytes - 1

Now let's imagine these aren't "Concurrent Burgers", but "Parallel Burgers".

You go with your crush to get parallel fast food.

You stand in line while several (let's say 8) cashiers that at the same time are cooks take the orders from the people in front of you.

If the passwords don't match, we return the same error.

#### Password hashing { #password-hashing }

"Hashing" means: converting some content (a password in this case) into a sequence of bytes (just a string) that looks like gibberish.

Whenever you pass exactly the same content (exactly the same password) you get exactly the same gibberish.

But you cannot convert from the gibberish back to the password.

	tmpID := mustGetUUID()
	migrateDataDir := mustGetUUID()

	if !latestMeta.Deleted && len(latestMeta.Erasure.Distribution) != len(onlineDisks) {
		err := fmt.Errorf("unexpected file distribution (%v) from online disks (%v), looks like backend disks have been manually modified refusing to heal %s/%s(%s)",
			latestMeta.Erasure.Distribution, onlineDisks, bucket, object, versionID)
		healingLogOnceIf(ctx, err, "heal-object-online-disks")

        if
            case $arg in                                #(
              -*)   false ;;                            # don't mess with options #(
              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
                    [ -e "$t" ] ;;                      #(
              *)    false ;;
            esac
        then
            arg=$( cygpath --path --ignore --mixed "$arg" )
        fi

- User provides their AD/LDAP username and password to the STS API.
- MinIO looks up the user's information (specifically the user's Distinguished Name) in the LDAP server.
- On finding the user's info, MinIO verifies the login credentials with the AD/LDAP server.