import { Reader, ReaderOptions } from '../base/reader.js';
import { C64Info } from '../types/index.js';
export declare class WAVReader extends Reader {
    constructor(filePath: string, options?: ReaderOptions);
    read(): Promise<C64Info>;
    /**
     * Parse a WAV file header and return format information.
     * Walks chunks in a single pass for efficiency.
     * Supports 8-bit unsigned and 16-bit signed PCM.
     */
    private parseWavHeader;
    /**
     * Check whether a sample value is HIGH (active tape pulse signal).
     * For 8-bit: HIGH is 0xFF. For 16-bit: HIGH is a large positive value.
     */
    private isHighSample;
    /**
     * Extract pulse cycle values from WAV audio samples using typed arrays
     * for fast O(1) sample access.
     */
    private extractPulsesFromWav;
    /**
     * Estimate the number of half-samples for the last pulse in the stream.
     */
    private estimateHalfSamples;
}
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