import { type SymbolDefinition, type PinLocation, type BoundingBox, type PinInfo } from './renderers/schematic_visualizer_types.js';
export declare class SymbolLibraryManager {
    private libraryCache;
    private symbolCache;
    private pinLocationCache;
    private pinInfoCache;
    private boundingBoxCache;
    private kicadSymbolPath;
    constructor();
    private getLibraryContent;
    private findSymbolInLibrary;
    getSymbolDefinition(symbolFqn: string, visited?: Set<string>): SymbolDefinition | null;
    getPinLocation(symbolFqn: string, pinNumber: string | number): PinLocation | null;
    private calculateSymbolBoundingBoxRecursive;
    /**
     * Get a map of pin number → { name, type } for all pins in a symbol.
     * Extracts pin name and electrical type from KiCAD symbol s-expressions:
     *   (pin <electrical_type> <graphical_style> ... (name "...") (number "..."))
     */
    getPinInfoMap(symbolFqn: string): Map<string, PinInfo> | null;
    /**
     * Recursively walk a symbol definition extracting (pin ...) nodes.
     * Handles both top-level pins and pins nested inside (symbol NAME_1_1 ...) units.
     */
    private extractPinInfo;
    getSymbolBoundingBox(symbolFqn: string): BoundingBox | null;
}
export declare function getSymbolLibraryManager(): SymbolLibraryManager;
export declare function resetSymbolLibraryManager(): void;
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