import type { MetaData } from "@metaobjectsdev/metadata";
import { type LoadedModel } from "./load.js";
export interface DocNode {
    kind: "object" | "prompt" | "output";
    name: string;
    pkg: string;
    pkgPath: string;
    href: string;
    node: MetaData;
    tree: string;
}
export interface Ref {
    from: string;
    to: string;
    via: string;
    kind: "field" | "fk" | "extends" | "payload" | "response" | "relationship" | "origin";
    cardinality?: "one" | "many" | undefined;
    through?: string | undefined;
    sourceJoinField?: string | undefined;
    targetJoinField?: string | undefined;
    symmetric?: boolean | undefined;
    onDelete?: string | undefined;
    subtype?: string | undefined;
}
export interface OriginRef {
    field: string;
    from: string;
    via: string;
}
export declare function pkgOf(node: MetaData): string;
export declare function fqnOf(node: MetaData): string;
export declare class LinkGraph {
    private _nodes;
    private _from;
    private _to;
    private _extBy;
    private _origins;
    constructor(model: LoadedModel);
    nodes(): DocNode[];
    byFqn(fqn: string): DocNode | undefined;
    refsFrom(fqn: string): Ref[];
    refsTo(fqn: string): Ref[];
    degree(fqn: string): number;
    extendedBy(fqn: string): DocNode[];
    originsOf(fqn: string): OriginRef[];
    ancestors(fqn: string): DocNode[];
    relationshipsOf(fqn: string): {
        name: string;
        toFqn: string;
        cardinality: string;
    }[];
    relHref(fromHref: string, toHref: string): string;
}
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