import { ValueTypeOf } from '@elaraai/east';
import { NodeKindType as EastNodeKindType, LinkKindType as EastLinkKindType, OntologyType as EastOntologyType } from '@elaraai/e3-ui/internal';
/** JS string-union of every `NodeKindType` variant tag. */
export type OntologyNodeKind = ValueTypeOf<typeof EastNodeKindType>['type'];
/** JS string-union of every `LinkKindType` variant tag. */
export type OntologyLinkKind = ValueTypeOf<typeof EastLinkKindType>['type'];
/** JS-side shape of an `OntologyType` node carrier. */
export type OntologyNode = ValueTypeOf<typeof EastOntologyType>['nodes'][number];
/** JS-side shape of an `OntologyType` link carrier. */
export type OntologyLink = ValueTypeOf<typeof EastOntologyType>['links'][number];
/** JS-side shape of an `OntologyType` value. */
export type Ontology = ValueTypeOf<typeof EastOntologyType>;
/** Flattened node — variant wrappers stripped to plain strings for the
 *  layout + ReactFlow render path. `description` is `string | undefined`
 *  (not optional) because `exactOptionalPropertyTypes` in tsconfig forbids
 *  assigning `undefined` to an optional property. */
export interface FlatNode {
    id: string;
    name: string;
    description: string | undefined;
    nodeType: OntologyNodeKind;
}
/** Flattened link — kind unwrapped to a plain string. */
export interface FlatLink {
    id: string;
    source: string;
    target: string;
    linkType: OntologyLinkKind;
}
/** Strip the variant wrappers off an ontology value for layout / render.
 *  Orphan links (source or target missing from the node set) are dropped. */
export declare function flattenOntology(ontology: Ontology): {
    nodes: FlatNode[];
    links: FlatLink[];
};
/**
 * Default link kind for a `source → target` node-kind pair, or `null` if
 * no conventional relation exists. Typed as
 * `Record<OntologyNodeKind, Record<OntologyNodeKind, OntologyLinkKind | null>>`
 * — if `NodeKindType` or `LinkKindType` gains a tag, TS flags the missing
 * entries here.
 */
export declare const ValidLinks: Record<OntologyNodeKind, Record<OntologyNodeKind, OntologyLinkKind | null>>;
/** All node kinds in display order. */
export declare const ALL_NODE_KINDS: OntologyNodeKind[];
//# sourceMappingURL=types.d.ts.map