import type { RoutingConfig } from "./types.js";
export interface RepoConfigResolutionOptions {
    repoRoot?: string;
    configRoot?: string;
    responderDir?: string;
    startDir?: string;
}
export declare function resolveRepositoryRoot(startDir?: string): string | undefined;
export declare function resolveConfigRoot(options?: RepoConfigResolutionOptions): string;
export declare function resolveResponderDirectory(options?: RepoConfigResolutionOptions): string;
/**
 * Returns the path to the routing.json config file.
 */
export declare function resolveRoutingConfigPath(configRoot?: string): string;
/**
 * Loads and validates routing configuration from `.a5c/routing.json`.
 * Returns `undefined` when the file does not exist or fails validation.
 */
export declare function loadRoutingConfigSync(configRoot?: string): RoutingConfig | undefined;
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