/**
     * Returns the key type if the parameter type of the method is a parameterized {@link Map}.
     *
     * @param index
     *            The index of the parameter
     * @return The key type if the parameter type is a parameterized {@link Map}, otherwise {@literal null}
     */
    Class<?> getKeyClassOfMap(int index);

    /**
     * Returns the value type if the parameter type of the method is a parameterized {@link Map}.
     *

     * @param key the decryption key
     * @param type the encryption type
     * @return the decrypted data
     * @throws GeneralSecurityException if decryption fails
     */
    public static byte[] decrypt(byte[] data, Key key, int type) throws GeneralSecurityException {
        Cipher cipher = null;
        byte[] decrypt = null;

        decrypt = switch (type) {

// they are only defined to be used in this file alone.
type grantee struct {
	XMLNS       string `xml:"xmlns:xsi,attr"`
	XMLXSI      string `xml:"xsi:type,attr"`
	Type        string `xml:"Type"`
	ID          string `xml:"ID,omitempty"`
	DisplayName string `xml:"DisplayName,omitempty"`
	URI         string `xml:"URI,omitempty"`
}

type grant struct {
	Grantee    grantee `xml:"Grantee"`

import (
	"fmt"
	"sort"
	"strconv"
	"strings"
)

type Index struct {
	Name    string
	Class   string // UNIQUE | FULLTEXT | SPATIAL
	Type    string // btree, hash, gist, spgist, gin, and brin
	Where   string
	Comment string
	Option  string        // WITH PARSER parser_name
	Fields  []IndexOption // Note: IndexOption's Field maybe the same
}

type IndexOption struct {
	*Field
	Expression string

 *
 */
public interface Address {

    /**
     * Unwrap the address to a specific type
     *
     * @param <T> the type to unwrap to
     * @param type the target type to unwrap to
     * @return instance for type, null if the type cannot be unwrapped
     */
    <T extends Address> T unwrap(Class<T> type);

    /**
     * Gets the host name of this address.
     *

     */
    public static WitnessEventType fromValue(int value) {
        for (WitnessEventType type : values()) {
            if (type.value == value) {
                return type;
            }
        }
        throw new IllegalArgumentException("Unknown witness event type: " + value);
    }

    //                                                                           =========
    /** Service for label type operations. */
    @Resource
    private LabelTypeService labelTypeService;

    /** Pager for label type list pagination. */
    @Resource
    private LabelTypePager labelTypePager;

    /** Service for role type operations. */
    @Resource
    private RoleTypeService roleTypeService;

}

// TxCommitter tx committer
type TxCommitter interface {
	Commit() error
	Rollback() error
}

// Tx sql.Tx interface
type Tx interface {
	ConnPool
	TxCommitter
	StmtContext(ctx context.Context, stmt *sql.Stmt) *sql.Stmt
}

// Valuer gorm valuer interface
type Valuer interface {
	GormValue(context.Context, *DB) clause.Expr
}

// GetDBConnector SQL db connector
type GetDBConnector interface {

	Active    bool
}

type Account struct {
	gorm.Model
	UserID sql.NullInt64
	Number string
}

type Pet struct {
	gorm.Model
	UserID *uint
	Name   string
	Toy    Toy `gorm:"polymorphic:Owner;"`
}

type Toy struct {
	gorm.Model
	Name      string
	OwnerID   string
	OwnerType string
}

type Tools struct {
	gorm.Model
	Name     string
	CustomID string

          "boost" : {
            "type" : "float"
          },
          "createdBy" : {
            "type" : "keyword"
          },
          "createdTime" : {
            "type" : "long"
          },
          "maxSize" : {
            "type" : "integer"
          },
          "query" : {
            "type" : "keyword"
          },
          "term" : {
            "type" : "keyword"
          },