import type { IDataObject, INodeExecutionData } from 'n8n-workflow';
import type pgPromise from 'pg-promise';
import { type IFormattingOptions } from 'pg-promise';
import type pg from 'pg-promise/typescript/pg-subset';
export type QueryMode = 'single' | 'transaction' | 'independently';
export type QueryValue = string | number | IDataObject | string[];
export type QueryValues = QueryValue[];
export type QueryWithValues = {
    query: string;
    values?: QueryValues;
    options?: IFormattingOptions;
};
export type WhereClause = {
    column: string;
    condition: string;
    value: string | number;
};
export type SortRule = {
    column: string;
    direction: string;
};
export type ColumnInfo = {
    column_name: string;
    data_type: string;
    is_nullable: string;
    udt_name?: string;
    column_default?: string | null;
    is_generated?: 'ALWAYS' | 'NEVER';
    identity_generation?: 'ALWAYS' | 'NEVER';
    character_maximum_length?: number;
    numeric_precision?: number;
    numeric_scale?: number;
};
export type EnumInfo = {
    typname: string;
    enumlabel: string;
};
export type FieldTypeMapping = {
    string: string[];
    number: string[];
    boolean: string[];
    dateTime: string[];
    object: string[];
    options: string[];
    array: string[];
    binary: string[];
};
export declare const neonFieldTypeMapping: FieldTypeMapping;
export type NeonClient = pgPromise.IMain<{}, pg.IClient>;
export type NeonDatabase = pgPromise.IDatabase<{}, pg.IClient>;
export type NeonConnectionParameters = pg.IConnectionParameters<pg.IClient>;
export type NeonConnection = pgPromise.IConnected<{}, pg.IClient>;
export type NeonConnectionsData = {
    db: NeonDatabase;
    client: NeonClient;
};
export type QueriesRunner = (queries: QueryWithValues[], items: INodeExecutionData[], options: IDataObject) => Promise<INodeExecutionData[]>;
export type NeonNodeOptions = {
    cascade?: boolean;
    operation?: string;
    queryMode?: QueryMode;
    queryParameters?: string | number | string[] | number[];
    delayClosingIdleConnection?: number;
    outputLargeFormatNumberAs?: 'string' | 'number';
    outputColumns?: string[];
    replaceEmptyStrings?: boolean;
    skipOnConflict?: boolean;
    db?: NeonDatabase;
    branchName?: string;
    checkComputeStatus?: boolean;
};
export type NeonNodeCredentials = {
    host: string;
    port: number;
    database: string;
    user: string;
    password: string;
    ssl: 'require' | 'allow';
};