/**
 * Config values as whole trees: merging two trees into one view, and
 * splitting one tree into the settings file and the state file by key.
 * Pure transforms shared by the persistent store and the legacy migration.
 */
/** Whether a key holds auth state rather than a setting. */
export declare const isStateKey: (key: string) => boolean;
export declare const mergeConfig: (baseConfig: Record<string, unknown>, overrideConfig: Record<string, unknown>) => Record<string, unknown>;
export declare const splitConfig: (config: Record<string, unknown>) => {
    settings: Record<string, unknown>;
    state: Record<string, unknown>;
};