import { type TokenometerConfig } from '@tokenometer/core';
import type { ParsedArgs } from './args.js';
export interface ApplyConfigOptions {
    /** Pre-loaded config (already parsed). When omitted, applyConfig is a no-op. */
    config: TokenometerConfig | null;
}
/**
 * Apply config defaults to ParsedArgs.
 * User-passed flags ALWAYS win over config (we only fill in fields the user did not set).
 * Returns a new ParsedArgs (does not mutate the input).
 */
export declare const applyConfig: (args: ParsedArgs, opts: ApplyConfigOptions) => ParsedArgs;
/**
 * Read a config from a user-specified path (used by `--config <path>`).
 * Throws on parse / validation failure with the offending path included.
 */
export declare const loadConfigFromPath: (path: string) => Promise<TokenometerConfig>;
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