import type { ChorusVoice, ModelRef } from "../types.js";
export declare function modelRefToPiArg(ref: ModelRef): string;
export declare function parseModelRef(value: string | ModelRef): ModelRef;
export declare function sameModelRef(a: ModelRef, b: ModelRef): boolean;
export declare function assertModelRef(ref: ModelRef): void;
export declare function modelFamily(ref: ModelRef): string;
export declare function familyWarnings(voices: ChorusVoice[]): string[];