/**
 * Instruction parsing service for OneMap routing responses
 */
export interface ParsedInstruction {
    step: number;
    type: 'direct' | 'transit' | 'transit_walk';
    mode: 'WALK' | 'BUS' | 'TRAIN' | 'SUBWAY' | 'TAXI';
    direction?: string;
    streetName?: string;
    distance: number;
    duration?: number;
    coordinates: {
        lat: number;
        lng: number;
    } | null;
    instruction: string;
    service?: string;
    operator?: string;
    from?: {
        name: string;
        stopCode?: string;
        coordinates: {
            lat: number;
            lng: number;
        };
    };
    to?: {
        name: string;
        stopCode?: string;
        coordinates: {
            lat: number;
            lng: number;
        };
    };
    intermediateStops?: Array<{
        name: string;
        stopCode?: string;
        coordinates: {
            lat: number;
            lng: number;
        };
    }>;
    estimatedContext?: {
        area: string;
        timeOfDay: string;
        weatherNote: string;
        landmark?: string;
        safetyNote?: string;
        accessibilityInfo?: string;
    };
}
export interface RouteSummary {
    responseType: 'PUBLIC_TRANSPORT' | 'DIRECT_ROUTING' | 'ERROR';
    totalTime?: number;
    totalDistance?: number;
    totalCost?: number;
    walkDistance?: number;
    transfers?: number;
    fare?: string;
    instructionCount: number;
    polylineCount: number;
}
export declare class InstructionParserService {
    /**
     * Parse instructions from OneMap response
     */
    parseInstructions(response: any): ParsedInstruction[];
    /**
     * Parse direct routing instructions (walk/drive/cycle)
     */
    private parseDirectInstructions;
    /**
     * Parse public transport instructions
     */
    private parseTransitInstructions;
    /**
     * Generate route summary
     */
    generateSummary(response: any, instructions: ParsedInstruction[], polylineCount: number): RouteSummary;
    /**
     * Enhance instructions with contextual information
     */
    enhanceInstructions(instructions: ParsedInstruction[]): ParsedInstruction[];
    /**
     * Format instructions for human reading
     */
    formatInstructionsForDisplay(instructions: ParsedInstruction[]): string[];
    /**
     * Helper methods
     */
    private getResponseType;
    private parseCoordinates;
    private mapDirectMode;
    private mapTransitMode;
    private generateBasicContext;
    private getAreaFromCoordinates;
    private getCurrentTimeContext;
    private findNearbyLandmark;
    private getSafetyNote;
    private getAccessibilityInfo;
}