import type { FunctionRef, Literal, VariableRef } from '../data-model/types.ts';
import type { Context } from '../format-context.ts';
import type { MessageFallback } from '../functions/index.ts';
import { type MessageValue } from '../message-value.ts';
export declare function resolveFunctionRef<T extends string, P extends string>(ctx: Context<T, P>, operand: Literal | VariableRef | undefined, { name, options }: FunctionRef): (MessageValue<T, P> & {
    source: string;
}) | MessageFallback;