import { JsonPrimitive } from 'type-fest';
/**
 * Given a `text` and a list of `values` it returns always the same value given the same `text`.
 * For example this is used when you need to map a full name with a color.
 * ```
 * getDeterministicValue('Doe', ['#FFFFFF', '#000000']) // => '#FFFFFF'
 * ```
 */
export declare function getDeterministicValue(text: string, values: readonly string[]): string | undefined;
/**
 * Get initials given a text.
 * @example getInitials('Ringo Starr') -> 'RS'
 */
export declare function getInitials(text: string): string;
/**
 * Humanize a given string by transforming first letter to be uppercase and by removing spaces and underscores.
 * @example humanizeString('--First_Name') -> 'First name'
 */
export declare function humanizeString(str: string): string;
/**
 * Check whether a given value is a valid JSON primitive (`string | number | boolean | null`)
 * @param value anything
 * @returns value is a JSON primitive
 */
export declare function isJsonPrimitive(value: any): value is JsonPrimitive;