import Edge from "@specs-feup/flow/graph/Edge";
import Node from "@specs-feup/flow/graph/Node";
/**
 * An id generator that generates ids by incrementing a number. Can be used for
 * nodes and edges (the same instance can even be used for both simultaneously).
 *
 * This generator is specially useful when deterministic ids are necessary.
 * Note that some transformations may create temporary nodes or edges, which, after
 * being removed, will not be reused, and may give the impression that the ids are not
 * sequential.
 */
export default class IncrementingIdGenerator implements Node.IdGenerator, Edge.IdGenerator {
    #private;
    /**
     * Creates a new instance of the id generator.
     *
     * @param prefix An optional prefix to be added to the generated ids.
     */
    constructor(prefix?: string);
    newId(): string;
}
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