import type { KnowledgeGraphOutwardEdge } from "./variants/knowledge.js";
import type { OntologyOutwardEdge } from "./variants/ontology.js";
import type { EntityId, LimitedTemporalBound, TemporalBound, TemporalInterval, Timestamp } from "@blockprotocol/type-system";
/**
 * A simple tuple type which identifies an {@link Entity} by its {@link EntityId}, at a given {@link Timestamp}.
 *
 * When using this to query a {@link Subgraph}, along its variable axis, this should identify a single unique revision
 * of an {@link Entity} or possibly refer to nothing.
 */
export type EntityIdWithTimestamp = {
    baseId: EntityId;
    timestamp: Timestamp;
};
/**
 * A simple tuple type which identifies an {@link Entity} by its {@link EntityId}, over a given {@link TimeInterval}.
 *
 * When using this to query a {@link Subgraph}, along its variable axis, this could return any number of revisions
 * of an {@link Entity} (including possibly returning none).
 */
export type EntityIdWithInterval = {
    entityId: EntityId;
    interval: TemporalInterval<LimitedTemporalBound, TemporalBound>;
};
export type OutwardEdge = OntologyOutwardEdge | KnowledgeGraphOutwardEdge;
export declare const isOntologyOutwardEdge: (edge: OutwardEdge) => edge is OntologyOutwardEdge;
export declare const isKnowledgeGraphOutwardEdge: (edge: OutwardEdge) => edge is KnowledgeGraphOutwardEdge;