import { ITwoStrandedChainItem } from "../entities/monomer-chains/ChainsCollection";
import { STRAND_TYPE } from "../constants";
import { BaseMonomer, SubChainNode } from "../entities";
export declare const getNodeFromTwoStrandedNode: (twoStrandedNode: ITwoStrandedChainItem, strandType: STRAND_TYPE) => import("../entities").SequenceNode | undefined;
export declare const getNextConnectedNode: (node: SubChainNode, monomerToNode: Map<BaseMonomer, SubChainNode>) => SubChainNode | undefined;
export declare const getPreviousConnectedNode: (node: SubChainNode, monomerToNode: Map<BaseMonomer, SubChainNode>) => SubChainNode | undefined;