import { ConnStr } from './ConnStr';
import { DescribeObject } from './DescribeObject';
import { ODBC } from './ODBC';
import { ODBCConnection } from './ODBCConnection';
import { ODBCResult, SQLResults } from './ODBCResult';
import { ODBCStatement } from './ODBCStatement';
import { Options } from './Options';
import { Pool } from './Pool';
import { FetchMode } from './attributes';
import { DB2Error } from './DB2Error';
import { Readable } from 'node:stream';
export interface SQLCA {
    sqlstate: string;
    sqlcode: number;
}
export interface SQLParamObject {
    ParamType: 'INPUT' | 'OUTPUT' | 'INOUT' | 'FILE' | 'ARRAY' | 1 | 2 | 3 | 4;
    CType?: 'CHAR' | 'BINARY' | 'DOUBLE' | 'DECIMAL' | 'INTEGER' | 'BIGINT' | 1 | -2 | 8 | 4 | -25;
    SQLType?: 'DOUBLE' | 'DECIMAL' | 'BIGINT' | 'CHAR' | 'BINARY' | 'BLOB' | 'CLOB' | 'DBCLOB' | 'XML' | 'GRAPHIC' | 'VARGRAPHIC' | 'LONGGRAPHIC' | 8 | 3 | -5 | 1 | -2 | -98 | -99 | -350 | -370 | -95 | -96 | -97;
    DataType?: number | string;
    Data: number | '' | Buffer | Buffer[] | Readable;
    Length?: number;
}
export type SQLParam = string | number | null | SQLParamObject;
export interface SQLQuery {
    sql: string;
    params?: SQLParam[];
    noResults?: boolean;
    ArraySize?: number;
}
export interface SQLExecuteFileParam {
    sql: string;
    delimiter: string;
    outputfile: string;
}
export type CloseOption = number & {
    __TYPE__: 'CloseOption';
};
export declare class Database {
    odbc: ODBC;
    fetchMode: FetchMode | null;
    connected: boolean;
    connectTimeout: number | null;
    systemNaming?: boolean;
    codeSet: string | null;
    mode: string | null;
    pool: Pool | null;
    connStr: string | null;
    conn?: ODBCConnection;
    SQL_CLOSE: CloseOption;
    SQL_DROP: CloseOption;
    SQL_UNBIND: CloseOption;
    SQL_RESET_PARAMS: CloseOption;
    SQL_DESTROY: CloseOption;
    FETCH_ARRAY: FetchMode;
    FETCH_OBJECT: FetchMode;
    constructor(options?: Options);
    open(connStr: string | ConnStr): Promise<void>;
    open(connStr: string | ConnStr, cb: (err?: DB2Error) => void): null;
    openSync(connStr: string | ConnStr): true;
    close(cb: (err: null | Error) => void): false;
    close(): Promise<true>;
    closeSync(): true | undefined;
    checkConnectionError(error: Error): void;
    query(query: string, params: SQLParam[], cb: (err: Error, outputParam: SQLResults, sqlca: SQLCA) => void): false;
    query(query: string | SQLQuery, cb: (err: Error, outputParam: SQLResults, sqlca: SQLCA) => void): false;
    query(query: string | SQLQuery, params?: SQLParam[]): Promise<SQLResults>;
    queryResult(query: string | SQLQuery, params: SQLParam[], cb: (err: Error, res?: null | ODBCResult, outputParam?: SQLResults) => void): false;
    queryResult(query: string | SQLQuery, cb: (err: Error, res?: null | ODBCResult, outputParam?: SQLResults) => void): false;
    queryResult(query: string | SQLQuery, params?: SQLParam[]): Promise<[result: null | ODBCResult, outparams: SQLResults]>;
    queryResultSync(query: string | SQLQuery, params?: SQLParam[]): ODBCResult | [ODBCResult | null, SQLResults];
    querySync(query: string | SQLQuery, params?: SQLParam[]): SQLResults | undefined | null;
    executeFile(inputfile: string, delimiter: string, outputfile: string | undefined, cb: (err: SQLResults, res: string) => void): void;
    executeFile(inputfile: string, delimiter: string, cb: (err: SQLResults, res: string) => void): void;
    executeFile(inputfile: string | SQLExecuteFileParam, cb: (err: SQLResults, res: string) => void): void;
    executeFile(inputfile: string | SQLExecuteFileParam, delimiter?: string, outputfile?: string): Promise<string>;
    executeFileSync(inputfile: string | SQLExecuteFileParam, delimiter?: string, outputfile?: string | undefined): string;
    queryStream(sql: string | SQLQuery, params?: SQLParam[]): Readable;
    fetchStreamingResults(results: ODBCResult, stream: Readable): void;
    beginTransaction(cb: (err: DB2Error | null) => void): Database;
    beginTransaction(): Promise<true>;
    endTransaction(rollback: boolean, cb: (err: DB2Error | null) => void): Database;
    endTransaction(): Promise<true>;
    commitTransaction(cb: (err: DB2Error | null) => void): Database;
    commitTransaction(): Promise<void>;
    rollbackTransaction(cb: (err: DB2Error | null) => void): Database;
    rollbackTransaction(): Promise<void>;
    beginTransactionSync(): Database;
    endTransactionSync(rollback: boolean): Database;
    commitTransactionSync(): Database;
    rollbackTransactionSync(): Database;
    columns(catalog: string | null, schema: string | null, table: string | null, column: string | null, cb: (err: null | DB2Error, res: SQLResults | null, errInColumnsCall?: false) => void): void;
    columns(catalog: string | null, schema: string | null, table: string | null, column: string | null): Promise<SQLResults | null>;
    tables(catalog: string | null, schema: string | null, table: string | null, type: string | null, cb: (err: null | DB2Error, res: SQLResults | null, errInColumnsCall?: false) => void): void;
    tables(catalog: string | null, schema: string | null, table: string | null, type: string | null): Promise<SQLResults | null>;
    describe(obj: DescribeObject, cb: (err: null | DB2Error, res: SQLResults | null, errInColumnsCall?: false) => void): void;
    describe(obj: DescribeObject): Promise<SQLResults | null>;
    prepare(sql: string, cb: (err: DB2Error | null, stmt: ODBCStatement) => void): void;
    prepare(sql: string): Promise<ODBCStatement>;
    prepareSync(sql: string): ODBCStatement;
    setIsolationLevel(isolationLevel: 1 | 2 | 4 | 8 | 32): true;
    getInfoSync(infoType: number, infoLen: number): false | null | string | number;
    getInfo(infoType: number, infoLen: number, cb: (err: DB2Error | null, info: null | string | number) => void): void;
    getInfo(infoType: number, cb: (err: DB2Error | null, info: null | string | number) => void): void;
    getInfo(infoType: number, infoLen?: number): Promise<null | string | number>;
    getTypeInfoSync(dataType: number): SQLResults;
    getTypeInfo(dataType: number, cb: (err: DB2Error | null, info: false | SQLResults | null) => void): void;
    getTypeInfo(dataType: number): Promise<SQLResults>;
    getFunctionsSync(functionId: number): boolean;
    getFunctionsSync(functionId: 0): false | Record<string, boolean>;
    getFunctions(functionId: number, cb: (err: DB2Error | null, res: boolean) => void): void;
    getFunctions(functionId: 0, cb: (err: DB2Error | null, res: Record<string, boolean>) => void): void;
    setAttr(attr: number | string, value: number | null | string, cb: (err: DB2Error | null, res?: true) => void): void;
    setAttr(attr: number | string, value: number | null | string): Promise<true>;
    setAttrSync(attr: number, value: number | null | string): boolean;
}