import { PolymerType } from '../helm/types';
import { IMonomerLib, IMonomerLibHelper } from '../types/monomer-library';
export declare function parseMonomerSymbolList(src: string): string[];
/** Embeddable widget for selecting monomers with autocomplete, tag-based display,
 * and bulk-add from monomer libraries or collections.
 * Can be embedded directly into any container (dialog, panel, etc.). */
export declare class MonomerSelectionWidget {
    private readonly selectedMonomers;
    private readonly monomerLib;
    private polymerType;
    private helmType;
    private allSymbols;
    private readonly libHelper?;
    private readonly tagsHost;
    private readonly countLabel;
    private readonly inputEl;
    private currentMenu;
    private menuItems;
    private highlightedIndex;
    /** The root element to embed in a container */
    readonly root: HTMLDivElement;
    constructor(monomerLib: IMonomerLib, polymerType: PolymerType, presetMonomers?: string[], libHelper?: IMonomerLibHelper);
    /** Returns the currently selected monomer symbols */
    getSelectedMonomers(): string[];
    /** Sets new monomer selections, replacing existing ones */
    setSelectedMonomers(symbols: string[]): void;
    /** Updates the polymer type and refreshes the available symbols list */
    setPolymerType(polymerType: PolymerType): void;
    /** Focuses the search input */
    focus(): void;
    private updateCountLabel;
    private renderTags;
    private addMonomer;
    private addMonomers;
    private hideMenu;
    private getSuggestions;
    private showSuggestions;
    private updateHighlight;
    private setupInputListeners;
    private createLibrarySection;
    private createCollectionSection;
}
/** Shows a dialog for selecting monomers with autocomplete, tag-based display,
 * and bulk-add from monomer libraries or collections.
 * @returns monomer symbols array, or null if cancelled */
export declare function showMonomerSelectionDialog(monomerLib: IMonomerLib, polymerType: PolymerType, presetMonomers?: string[], libHelper?: IMonomerLibHelper): Promise<string[] | null>;
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