export type ConfigDocument = Record<string, unknown>;
/** Read the user-facing JSON document without normalizing away its configured shape. */
export declare function readConfigDocument(path: string): ConfigDocument;
/**
 * Apply an edit only after the existing config loader accepts the complete result.
 *
 * The temporary validation file is kept beside the target so `${ENV}` expansion and relative
 * paths behave just as they do when the proxy starts. Unknown top-level settings are preserved.
 */
export declare function updateConfigDocument(path: string, edit: (document: ConfigDocument) => void): void;
/** Parse a CLI value as JSON when possible, otherwise keep it as a string. */
export declare function parseConfigValue(value: string): unknown;
export declare function parseConfigPath(path: string): string[];
export declare function readConfigPath(document: ConfigDocument, path: string): unknown;
export declare function writeConfigPath(document: ConfigDocument, path: string, value: unknown): void;
export declare function deleteConfigPath(document: ConfigDocument, path: string): boolean;