export type ConfigTier = {
    tier: "user" | "project";
    source: string;
    doc: string;
};
export declare function readConfigTiers(opts: {
    userConfigPath: string;
    projectConfigPath: string;
}): ConfigTier[];
/** Wrap an inline aft.jsonc-shaped config object as a single user-tier ConfigTier
 *  (the inline analog of readConfigTiers, which reads from disk). For programmatic
 *  callers / test harnesses that hold a config object rather than a file. */
export declare function inlineUserConfigTier(config: Record<string, unknown>, source?: string): ConfigTier[];
export declare function formatDroppedKeyWarnings(dropped: Array<{
    key: string;
    tier: string;
    reason: string;
}>): string[];
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