import { type DuplicateId, type ModelEntry, type ModelGraph } from "./model-graph.js";
export interface ParseError {
    file: string;
    message: string;
}
export interface LoadResult {
    graph: ModelGraph;
    entries: ModelEntry[];
    parseErrors: ParseError[];
    duplicateIds: DuplicateId[];
    /**
     * Files written as a SINGLE node (not a YAML array), mapped to that node's
     * id. This is exactly the set the file-per-node convention applies to
     * (Decision 004 技术点 3: filename must equal id) — array files that group
     * many nodes under a section name (the seed's loops/*.yaml) are deliberately
     * absent, so `checkFilenameMatchesId` doesn't false-flag them.
     */
    singleNodeFiles: Map<string, string>;
}
/**
 * Loads every *.yaml/*.yml file under `dir`. A file may contain a single
 * node or an array of nodes; array elements are validated independently
 * so one malformed sibling doesn't take down the rest of the file's
 * otherwise-valid nodes (a whole-array `safeParse` would fail the entire
 * batch on a single bad element — that's the wrong blast radius for a
 * file that groups many unrelated loops together, see e.g.
 * test/fixtures/synthetic-model/loops/main.yaml). Parse/validation
 * failures are collected rather than thrown so `loopgraph check` can
 * report every broken node in one pass instead of stopping at the first
 * one.
 */
export declare function loadModel(dir: string): Promise<LoadResult>;
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