import { TrieNode } from './TrieNode';
import { TrieRefNode } from './trieRef';
export interface Emitter {
    push: (n: TrieRefNode) => number;
}
export declare function flattenToTrieRefNode(root: TrieNode, nodes: Emitter): number;
export declare function flattenToTrieRefNodeIterable(root: TrieNode): IterableIterator<TrieRefNode>;
export declare function flattenToTrieRefNodeArray(root: TrieNode): TrieRefNode[];
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