/**
 * Filesystem loader. Walks a dataset root, parses each JSON file, runs Layer 1
 * structural validation, and normalizes everything into a `World` of
 * concrete `TableTypeBase` instances that the semantic rules operate on.
 *
 * Parse errors, structural errors, and a missing schema-description file are
 * reported here; all cross-field / cross-file logic lives in the table-type
 * classes (`./table-type.ts`, `./table-types/*`).
 */
import { Violation } from './model';
import { World } from './world';
/** Result of loading a root: the model plus any load-time violations. */
export interface LoadOutcome {
    /** The loaded model. */
    readonly world: World;
    /** Parse, structural, and missing-description violations. */
    readonly violations: Violation[];
}
/**
 * Load a dataset root into a `World`.
 *
 * @param rootDir Absolute or relative path to the dataset root.
 * @returns The loaded world plus load-time violations.
 * @throws Error When `rootDir` is not an existing directory.
 */
export declare function loadRoot(rootDir: string): LoadOutcome;