import React from 'react';
import { GetLineTypeProps, GetStepTypeProps, StatusItem } from './types';
import { DataType, LineType, StepPosition } from './constants';
/**
 * Generate function, that checks, whether data elements type in "data" matches passed type.
 *
 * @param {DataType} type - Passed type
 *
 * @returns {function} Function, that checks whether type of each data element is passed type?
 */
export declare const contains: (type: DataType) => (data: string[] | StatusItem[]) => boolean | null;
/**
 * If there are objects in data and at least one of them contains "type" field - component is "custom".
 * Step type is set by user through "typeField".
 *
 * @param {string[] | StatusItem[]} data - Component data
 * @param {string | undefined} typeField - Type field
 *
 * @returns {boolean} Is component custom?
 */
export declare const isCustom: (data: string[] | StatusItem[], typeField?: string | undefined) => boolean;
/**
 * Get text for label
 *
 * @param {DataType} dataType - Component data
 * @param {string | StatusItem} item - Step name or description of custom step
 * @param {string | undefined} textField - Field from which label text is extracted works only if there are objects in data
 *
 * @returns {string} Text for label
 */
export declare const getLabelText: (dataType: DataType, item: string | StatusItem, textField?: string | undefined) => string;
/**
 * Get step position
 *
 * @param {number} index - Index of step
 * @param {number} currentIndex - Index of current value of statusbar
 * @param {boolean} isCustomChildren - Indicates whether step is custom
 *
 * @returns {StepPosition | null} Position of step
 */
export declare const getStepPosition: (index: number, currentIndex: number, isCustomChildren: boolean) => StepPosition | null;
/**
 * Get type of data
 *
 * @param {string[] | StatusItem[]} data - Data
 *
 * @returns {DataType} Type of data
 */
export declare const getDataType: (data: string[] | StatusItem[]) => DataType;
/**
 * If data has a type that cannot be placed in tooltip, then tooltip is not rendered
 * @param {unknown} data - Data for rendering inside tooltip
 *
 * @returns {React.ReactNode | null} - Valid data for tooltip or null
 */
export declare const getValidTooltip: (data: unknown) => React.ReactNode;
/**
 * Get Type for step
 * @param {GetStepTypeProps} props - Props of getStepType
 *
 * @returns {string | null} Type for step or null
 */
export declare const getStepType: (props: GetStepTypeProps) => string | null;
/**
 * Get Type for line
 * @param {GetLineTypeProps} props - Props of getLineType
 *
 * @returns {LineType | null} Type for line or null
 */
export declare const getLineType: (props: GetLineTypeProps) => LineType | null;