/**
 * WebAssembly Loader for High-Performance CSV Parsing
 *
 * This module handles loading and interacting with the WASM CSV parser
 * for near-native performance with large datasets.
 */
import type { WasmCSVResult, WasmModule } from '../types/interfaces';
export type { WasmCSVResult, WasmModule };
export declare class WasmLoader {
    private static instance;
    private wasmModule;
    private isLoaded;
    private loadPromise;
    private constructor();
    /**
     * Get singleton instance
     */
    static getInstance(): WasmLoader;
    /**
     * Check if WebAssembly is supported
     */
    static isSupported(): boolean;
    /**
     * Load the WASM module
     */
    load(): Promise<void>;
    /**
     * Internal method to load WASM module
     */
    private _loadModule;
    /**
     * Check if WASM module is loaded
     */
    isModuleLoaded(): boolean;
    /**
     * Parse CSV chunk using WASM
     */
    parseCSVChunk(input: string, options?: {
        delimiter?: string;
        hasHeader?: boolean;
        trimValues?: boolean;
    }): WasmCSVResult;
    /**
     * Extract field from CSV data using WASM
     */
    extractField(input: string, start: number, end: number, trimValues?: boolean): string;
    /**
     * Parse number using WASM
     */
    parseNumber(input: string): number;
    /**
     * Detect field type using WASM
     * Returns: 0=string, 1=number, 2=boolean, 3=null
     */
    detectFieldType(value: string): number;
    /**
     * Estimate memory usage for parsed data
     */
    estimateMemory(rowCount: number, colCount: number): number;
    /**
     * Get WASM module version
     */
    getVersion(): string;
    /**
     * Run benchmark
     */
    benchmark(input: string): number;
    /**
     * Unload WASM module and free resources
     */
    unload(): void;
}
/**
 * Singleton instance getter
 */
export declare const getWasmLoader: () => WasmLoader;
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