import { ITwoStrandedChainItem } from "../../../domain/entities/monomer-chains/ChainsCollection";
import { SequenceNode } from "../../../domain/entities/monomer-chains/types";
export declare function isNodeRestrictedForHydrogenBondCreation(node: SequenceNode | undefined): boolean;
export declare function isTwoStrandedNodeRestrictedForHydrogenBondCreation(twoStrandedNode?: ITwoStrandedChainItem): boolean;