export declare type FlipperObject = Record<string, unknown>;
export declare type FlipperArray = FlipperObject[];
export interface GetTableStructureRequest {
    readonly databaseId: number;
    readonly table: string;
}
export interface GetTableDataRequest {
    readonly databaseId: number;
    readonly table: string;
    readonly order: string | undefined;
    readonly reverse: boolean;
    readonly start: number;
    readonly count: number;
}
export interface GetTableInfoRequest {
    readonly databaseId: number;
    readonly table: string;
}
export interface ExecuteSqlRequest {
    readonly databaseId: number;
    readonly value: string;
}
export interface DatabaseGetTableStructureResponse {
    readonly structureColumns: string[];
    readonly structureValues: unknown[][];
    readonly indexesColumns: string[];
    readonly indexesValues: unknown[][];
}
export interface DatabaseGetTableDataResponse {
    readonly columns: string[];
    readonly values: unknown[][];
    readonly start: number;
    readonly count: number;
    readonly total: number;
}
export interface DatabaseGetTableInfoResponse {
    readonly definition: string;
}
export declare type ExecuteSQLType = 'select' | 'insert' | 'update_delete' | 'raw';
export interface DatabaseExecuteSQLResponse {
    readonly type: ExecuteSQLType;
    readonly columns: string[] | null;
    readonly values: unknown[][] | null;
    readonly insertedId: number | null;
    readonly affectedCount: number | null;
}
export interface DatabaseDescriptor {
    name: string;
}
export interface DatabaseDriver<DD extends DatabaseDescriptor = DatabaseDescriptor> {
    getDatabases(): Promise<DD[]>;
    getTableNames(databaseDescriptor: DD): Promise<string[]>;
    getTableStructure(databaseDescriptor: DD, table: string): Promise<DatabaseGetTableStructureResponse>;
    getTableData(databaseDescriptor: DD, table: string, order: string | undefined, reverse: boolean, start: number, count: number): Promise<DatabaseGetTableDataResponse>;
    getTableInfo(databaseDescriptor: DD, table: string): Promise<DatabaseGetTableInfoResponse>;
    executeSql(databaseDescriptor: DD, query: string): Promise<DatabaseExecuteSQLResponse>;
}
export interface DatabaseDescriptorHolder {
    readonly id: number;
    readonly databaseDriver: DatabaseDriver;
    readonly databaseDescriptor: DatabaseDescriptor;
}