import { type FieldType, type IDataObject, type IDisplayOptions, type INodeProperties } from 'n8n-workflow';
import type { ColumnInfo, NeonClient, NeonDatabase, WhereClause } from './interface';
import type { INode, INodeExecutionData } from 'n8n-workflow';
export declare function buildColumnDescription(column: ColumnInfo): string;
export declare function mapPostgresType(postgresType: string): FieldType;
export declare function getEnumValues(db: any, enumType: string): Promise<string[]>;
export declare function addWhereClauses(node: any, itemIndex: number, query: string, clauses: WhereClause[], replacements: any[], combineConditions: string): [string, any[]];
export declare function addSortRules(query: string, rules: any, replacements: any[]): [string, any[]];
export declare function buildSelectColumns(outputColumns: string[]): string;
export declare function mergeDisplayOptions(displayOptions: IDisplayOptions, properties: INodeProperties[]): {
    displayOptions: IDisplayOptions;
    displayName: string;
    name: string;
    type: import("n8n-workflow").NodePropertyTypes;
    typeOptions?: import("n8n-workflow").INodePropertyTypeOptions;
    default: import("n8n-workflow").NodeParameterValueType;
    description?: string;
    hint?: string;
    disabledOptions?: IDisplayOptions;
    options?: Array<import("n8n-workflow").INodePropertyOptions | INodeProperties | import("n8n-workflow").INodePropertyCollection>;
    placeholder?: string;
    isNodeSetting?: boolean;
    noDataExpression?: boolean;
    required?: boolean;
    routing?: import("n8n-workflow").INodePropertyRouting;
    credentialTypes?: Array<"extends:oAuth2Api" | "extends:oAuth1Api" | "has:authenticate" | "has:genericAuth">;
    extractValue?: import("n8n-workflow").INodePropertyValueExtractor;
    modes?: import("n8n-workflow").INodePropertyMode[];
    requiresDataPath?: "single" | "multiple";
    doNotInherit?: boolean;
    validateType?: FieldType;
    ignoreValidationDuringExecution?: boolean;
}[];
export declare function getResolvables(text: string): string[];
export declare function stringToArray(value: string): string[];
export declare function isJSON(value: any): boolean;
export declare function shouldContinueOnFail(executionMode: string): boolean;
export declare function replaceEmptyStringsByNulls(items: INodeExecutionData[], replace?: boolean): INodeExecutionData[];
export declare function getTableSchema(db: NeonDatabase, schema: string, table: string): Promise<ColumnInfo[]>;
export declare function hasJsonDataTypeInSchema(schema: ColumnInfo[]): boolean;
export declare function convertValuesToJson(pgp: NeonClient, schema: ColumnInfo[], values: IDataObject): IDataObject;
export declare const convertArraysToPostgresFormat: (data: IDataObject, schema: ColumnInfo[], node: INode, itemIndex?: number) => void;
export declare function checkItemAgainstSchema(node: INode, item: IDataObject, columnsInfo: ColumnInfo[], index: number): IDataObject;
export declare function convertValuesToObject(values: IDataObject[]): IDataObject;