import { ServicePropertyDoc } from '../../decorators/ApiDecorators';
export declare const passwordDecode: (encodeString: string) => string;
export declare const encodeConfigPassword: (text: string) => string;
export declare const ColumnOrignValue: {
    new (orignValue: any): {
        orignValue: any;
        toString(): any;
    };
};
export declare const fileToBinary: (filePath: any) => NonSharedBuffer;
export declare const propertyToColumnName: (property: string) => string;
export declare const getColumn2ClassPropertyMapping: (entityClass: any) => {
    [columnName: string]: ServicePropertyDoc;
};
export declare const doDBValueConvert: (propertyDoc: ServicePropertyDoc, value: any) => any;
export type ObjectType<T> = {
    new (): T;
};
export type BatchUpdateItem = {
    sql: string;
    arrayValues?: any[];
};
export interface OrignDataBaseClient {
    getConnection: () => Promise<any>;
    executeSql(sql: string, arrayValues?: any[]): Promise<any>;
    find<T>(entityClass: ObjectType<T> | null, sql: string, arrayValues?: any[]): Promise<T[] | any[]>;
    update(sql: string, arrayValues?: any[]): Promise<number>;
    batchUpdate(batchUpdates: BatchUpdateItem[]): Promise<number[]>;
    limitPageList(sql: string, orderBy: string, pageSize: number, currentPage: number): string;
    disablePrintSql(): void;
    enablePrintSql(): void;
    destory(): Promise<any>;
}
export type PageData<T> = {
    list: Array<T>;
    total: number;
    size?: number;
    current?: number;
};
export declare class DataBaseClient {
    instance: OrignDataBaseClient;
    constructor(instance: OrignDataBaseClient);
    /**
     * 轻易不要使用这个方法，除非DataBaseClient中提供的接口不能满足你的需求
     */
    getConnection(): Promise<any>;
    /**
     * 请不要轻易使用这个方法，因为每个数据库返回的结果结构都不一样，直接使用时一定要考虑到不同数据库的特性
     * @param sql
     * @param arrayValues
     */
    executeSql(sql: string, arrayValues?: Array<any>): Promise<any>;
    find<T>(entityClass: ObjectType<T> | null, sql: string, arrayValues?: Array<any>): Promise<T[] | Array<any>>;
    update(sql: string, arrayValues?: Array<any>): Promise<number>;
    /**
     * 获取分页查询结果
     * @param sql
     * @param arrayValues
     * @param pageSize 从1开始
     * @param currentPage
     */
    getPageData<T>(entityClass: ObjectType<T> | null, sql: string, arrayValues: Array<any>, orderBy: string, pageSize: number, currentPage: number): Promise<PageData<T | any>>;
    getList<T>(entityClass: ObjectType<T> | null, sql: string, arrayValues?: Array<any>): Promise<T[]>;
    getObject<T>(entityClass: ObjectType<T> | null, sql: string, arrayValues?: Array<any>): Promise<T | null>;
    /**
     * 尽量看看源代码再使用
     * @param sql
     * @param arrayValues
     */
    getCount(sql: string, arrayValues?: any[]): Promise<number>;
    getObjectByColumns<T>(entityClass: ObjectType<T> | null, tableName: string, whereCols: {
        [key: string]: any;
    }): Promise<T | null>;
    insertRow(tableName: string, mapValue: {
        [key: string]: any;
    }): Promise<number>;
    updateRow(tableName: string, mapValue: {
        [key: string]: any;
    }, whereCols: {
        [key: string]: any;
    }): Promise<number>;
    deleteRow(tableName: string, whereCols: {
        [key: string]: any;
    }): Promise<number>;
    destory(): Promise<void>;
}
export declare const setupDataBaseClient: (instance: OrignDataBaseClient) => void;
export declare const getDataBaseClient: () => DataBaseClient;