import { MinimizeRmsd } from 'molstar/lib/mol-math/linear-algebra/3d/minimize-rmsd';
import { Structure } from 'molstar/lib/mol-model/structure';
export type SuperpositionResult = {
    status: 'success';
    superposition: MinimizeRmsd.Result & {
        nAlignedElements: number;
    };
} | {
    status: 'zero-overlap';
    superposition: undefined;
} | {
    status: 'failed';
    superposition: undefined;
};
/** Status of pairwise superposition (success = superposed, zero-overlap = failed to superpose because the two structures have no matchable elements, failed = failed to superpose for other reasons) */
export type SuperpositionStatus = SuperpositionResult['status'];
export declare function superposeStructuresByBiggestCommonChain(structA: Structure, structB: Structure, allowedComponentsA: string[] | undefined, allowedComponentsB: string[] | undefined): SuperpositionResult;