/**
 * A connection between two ProcessNodes, selected by a result status string.
 */
export interface Edge {
    readonly fromKey: string;
    readonly toKey: string;
    readonly result: string;
}
/**
 * Indexed collection of edges for fast lookup by [fromKey][result].
 */
export declare class EdgeCollection {
    private collection;
    addEdge(edge: Edge): void;
    getEdgesByNodeAndResult(fromKey: string, result: string): Edge[];
    getAllEdges(): Edge[];
}
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