import { DataSource } from 'typeorm';
import { ResolverAuthInfo } from '../interface.js';
import { Environment } from '../../interpreter.js';
import { Instance, Relationship } from '../../module.js';
export declare let defaultDataSource: DataSource | undefined;
export declare const PathAttributeName: string;
export declare const DeletedFlagAttributeName: string;
export declare class DbContext {
    txnId: string | undefined;
    authInfo: ResolverAuthInfo;
    private inKernelMode;
    resourceFqName: string;
    activeEnv: Environment;
    private needAuthCheckFlag;
    constructor(resourceFqName: string, authInfo: ResolverAuthInfo, activeEnv: Environment, txnId?: string, inKernelMode?: boolean);
    clone(): DbContext;
    getUserId(): string;
    isForDelete(): boolean;
    isForUpdate(): boolean;
    setResourceFqNameFrom(inst: Instance): DbContext;
    setNeedAuthCheck(flag: boolean): DbContext;
    isPermitted(): boolean;
    isInKernelMode(): boolean;
}
export declare const DbType = "sqlite";
export declare function initDefaultDatabase(): Promise<void>;
export declare function resetDefaultDatabase(): Promise<void>;
export declare function insertRows(tableName: string, rows: object[], ctx: DbContext, doUpsert?: boolean): Promise<void>;
export declare function insertRow(tableName: string, row: object, ctx: DbContext, doUpsert: boolean): Promise<void>;
export declare function insertBetweenRow(n: string, a1: string, a2: string, node1: Instance, node2: Instance, relEntry: Relationship, ctx: DbContext): Promise<void>;
export declare function upsertRows(tableName: string, rows: object[], ctx: DbContext): Promise<void>;
export declare function upsertRow(tableName: string, row: object, ctx: DbContext): Promise<void>;
export declare function updateRow(tableName: string, queryObj: object, queryVals: object, updateObj: object, ctx: DbContext): Promise<boolean>;
type QueryObjectEntry = [string, any];
export type QueryObject = Array<QueryObjectEntry>;
export declare function hardDeleteRow(tableName: string, queryObject: QueryObject, ctx: DbContext): Promise<boolean>;
export declare function getMany(tableName: string, queryObj: object | undefined, queryVals: object | undefined, colNamesToSelect: string[], ctx: DbContext): Promise<any>;
export type BetweenConnectionInfo = {
    connectionTable: string;
    fromColumn: string;
    fromValue: string;
    toColumn: string;
    toRef: string;
};
export declare function getAllConnected(tableName: string, queryObj: object, queryVals: object, connInfo: BetweenConnectionInfo, ctx: DbContext): Promise<any[]>;
export declare function startDbTransaction(): Promise<string>;
export declare function commitDbTransaction(txnId: string): Promise<void>;
export declare function rollbackDbTransaction(txnId: string): Promise<void>;
export {};
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