import type { SymbolicDenotationAxisDomain, SymbolicDenotationScalar } from "./symbolic-denotation-types.js";
export declare function exactKeys(value: object, expected: string[], label: string): void;
export declare function stableKey(value: unknown, label: string): asserts value is string;
export declare function stableJson(value: unknown): string;
export declare function sha256(value: string): string;
export declare function compareText(left: string, right: string): number;
export declare function compareScalar(left: SymbolicDenotationScalar, right: SymbolicDenotationScalar): number;
export declare function scalarEqual(left: SymbolicDenotationScalar, right: SymbolicDenotationScalar): boolean;
export declare function domainCardinality(domain: SymbolicDenotationAxisDomain): bigint;
export declare function neverValue(value: never): string;
export declare function invalid(code: string, detail: string): never;