import { IBinaryData, IDataObject, IExecuteFunctions, INodeExecutionData, INodeProperties, NodeParameterValueType } from 'n8n-workflow';
import { Mode } from '../enums';
export interface IOperationHandler {
    handle(context: IExecuteFunctions, operation: string, i: number): Promise<INodeExecutionData[]>;
}
export interface IItemInputEntry {
    [key: string]: string | undefined;
}
export interface IEmailEntry extends IItemInputEntry {
    email_address: string;
    ip_address?: string;
}
export interface IEmailFinderEntry extends IItemInputEntry {
    domain: string;
    first_name?: string;
    last_name?: string;
    middle_name?: string;
    full_name?: string;
}
export interface IDomainSearchEntry extends IItemInputEntry {
    domain: string;
}
export interface IErrorResponse extends IDataObject {
    error: string;
}
export interface IAltErrorResponse extends IDataObject {
    Error: string;
}
export declare function isErrorResponse(response: unknown): response is IErrorResponse;
export declare function isAltErrorResponse(response: unknown): response is IAltErrorResponse;
export declare function createHandler(context: IExecuteFunctions, itemIndex: number, resource: string): IOperationHandler;
export declare function getHandler(context: IExecuteFunctions, itemIndex: number, handlers: Map<string, IOperationHandler>, resource: string): IOperationHandler;
export declare function toDate(context: IExecuteFunctions, i: number, dateTime: string, name: string): string | null;
export declare function getDateParameter(context: IExecuteFunctions, i: number, parameter: INodeProperties): string | null;
export declare function isBlank(value: string | null | undefined): value is null | undefined | '';
export declare const isNotBlank: (value: string | null | undefined) => boolean;
export declare const defaultString: (value: string | null | undefined, defaultValue?: string) => string;
export declare function isEmailEntry(obj: unknown): obj is IEmailEntry;
export declare function isEmailFinderEntry(obj: unknown): obj is IEmailFinderEntry;
export declare function isDomainSearchEntry(obj: unknown): obj is IDomainSearchEntry;
export declare function uniqueValue(value: IItemInputEntry, mode: Mode): string;
export declare function invalidEmailEntry(obj: NodeParameterValueType | object): boolean;
export declare function validateItemInputEntries(context: IExecuteFunctions, itemIndex: number, entries: unknown, mode: Mode): asserts entries is IItemInputEntry[];
export declare function convertAssignments(context: IExecuteFunctions, itemIndex: number, obj: object | NodeParameterValueType, mode: Mode): IItemInputEntry[];
export declare function convertValueToEntries(context: IExecuteFunctions, itemIndex: number, name: string, value: unknown, idx: number, mode: Mode, entries: IItemInputEntry[]): void;
export declare function convertItemInput(context: IExecuteFunctions, itemIndex: number, mode: Mode): IItemInputEntry[];
export declare function getFileNameFromHeader(headers: IDataObject, fileId: string): string;
export declare function getBinaryData(context: IExecuteFunctions, i: number, binaryKey: string): IBinaryData;
export interface IStringFields {
    [key: string]: string | object | object[];
}
export declare function toFields(header: string[], values: string[]): IStringFields;
export declare function splitLine(line: string): string[];
export declare function isBinary(body: unknown): body is Buffer;
export declare function getFileId(context: IExecuteFunctions, i: number): string;
export declare function getNumberParameter(context: IExecuteFunctions, i: number, parameter: INodeProperties, defaultValue?: number): number | undefined;
export interface CsvOutput {
    contents: string;
    lineCount: number;
}
export declare function convertEntriesToCsv(context: IExecuteFunctions, i: number, combineItems: boolean, mode: Mode): Promise<CsvOutput>;
export declare function convertFileToFields(context: IExecuteFunctions, i: number, binaryData: IBinaryData): Promise<IStringFields[]>;