import { MorphSegment, MorphSegmentKind } from './types';
export type NumberSegment = MorphSegment & {
    kind: MorphSegmentKind;
};
export declare function isDigit(char: string): boolean;
export declare function hasDigit(value: string): boolean;
/** What is left of a token once its digits and separators go — "$", "%", "()". */
export declare function numericSkeleton(word: string): string;
/**
 * Whether a token is a quantity. Strict on purpose, and on by default: merely
 * containing a digit is not enough, or "COVID-19" and "2024-01-01" morph by place.
 */
export declare function isNumericWord(word: string): boolean;
export declare function classifyKind(char: string): MorphSegmentKind;
/** The locale's decimal separator — the pivot every alignment is measured from. */
export declare function decimalSeparator(locale: string): string;
/** Per-character segments, matched by caret where `cursorIndex` is given, else by place. */
export declare function segmentNumber(value: string, prevSegments?: NumberSegment[], cursorIndex?: number, decimalChar?: string): NumberSegment[];