import { IMonomerLibBase } from '../types/monomer-library';
import { HelmType, PolymerType } from '../helm/types';
/** Hypothetical interface to convert mol block notation.
 * It should be placed in the chem-meta package, and have an implementation in the Chem package.
 * So dependency of MonomerWorks on molfile conversion operation becomes explicit.
 */
export interface IMolfileConverter {
    convertV2000toV3000(src: string): string;
    convertV3000toV2000(src: string): string;
}
export declare class MonomerWorks {
    private monomerLib;
    constructor(monomerLib: IMonomerLibBase);
    getCappedRotatedMonomer(monomerType: PolymerType, monomerName: string): string | null;
}
export declare function helmTypeToPolymerType(helmType: HelmType): PolymerType;
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