export type ComparisonFunction<T = unknown> = (left: T, right: T) => number;
/** Returns the entries in this registry */
export declare function Entries(): Map<string, ComparisonFunction>;
/** Clears all user defined comparison functions */
export declare function clear(): void;
/** Deletes a registered comparison function */
export declare function remove(kind: string): boolean;
/** Returns true if the user defined comparison function exists */
export declare function has(kind: string): boolean;
/** Sets a validation function for a user defined comparison function */
export declare function set(name: string, function_: ComparisonFunction): void;
/** Gets a validation function for a user defined comparison function */
export declare function get(name: string): ComparisonFunction | undefined;
export declare class NotRegistered extends Error {
    constructor(name: string);
}
export declare const Enum: {
    Standard: string;
};
//# sourceMappingURL=comparisons.d.ts.map