import { CryptographicParameters } from '../types.js';
import type * as ContractAddress from '../types/ContractAddress.js';
import { AttributeType, StatementAttributeType, TimestampAttribute } from './types.js';
export type VerifyWeb3IdCredentialSignatureInput = {
    globalContext: CryptographicParameters;
    signature: string;
    values: Record<string, AttributeType>;
    randomness: Record<string, string>;
    holder: string;
    issuerPublicKey: string;
    issuerContract: ContractAddress.Type;
};
/**
 * Compares a and b as field elements.
 * if a < b then compareStringAttributes(a,b) = -1;
 * if a == b then compareStringAttributes(a,b) = 0;
 * if a > b then compareStringAttributes(a,b) = 1;
 */
export declare function compareStringAttributes(a: string, b: string): number;
/**
 * Given a string attribute value and a range [lower, upper[, return whether value is in the range, when converted into field elements.
 */
export declare function isStringAttributeInRange(value: string, lower: string, upper: string): boolean;
/**
 * Converts a timestamp attribute to a Date.
 * @param attribute the timestamp attribute
 * @returns a Date representing the timestamp
 */
export declare function timestampToDate(attribute: TimestampAttribute): Date;
/**
 * Converts a Date to a timestamp attribute.
 * @param value the date to convert to an attribute
 * @returns the timestamp attribute for the provided date
 */
export declare function dateToTimestampAttribute(value: Date): TimestampAttribute;
/**
 * Converts a statement attribute to an attribute. Statement attributes allow
 * for Date which are mapped into timestamp attributes. All other attribute
 * types are mapped one-to-one.
 * @param statementAttribute the statement attribute to map
 * @returns the mapped attribute type
 */
export declare function statementAttributeTypeToAttributeType(statementAttribute: StatementAttributeType): AttributeType;
/**
 * Parses a {@linkcode Date} from a string containing a year and month in the form "YYYYMM".
 *
 * @param yearMonth - The string to parse
 * @returns the parsed {@linkcode Date}
 * @throws if the date cannot be parsed
 */
export declare function parseYearMonth(yearMonth: string): Date;