/**
 * Extract the first CODE block from a ZX Spectrum .tap file.
 *
 * Tape format:
 *   Each block is prefixed by a little-endian 2-byte length, then
 *   `[flag, payload..., checksum]`. Flag 0x00 = header, 0xFF = data.
 *   A type-3 header ("Code") carries the load address at payload
 *   offset 14-15 and is followed by the corresponding data block.
 *
 * Callers load the file themselves (the library avoids file I/O in
 * core code):
 *
 *   const { code, loadAddress } =
 *     extractCodeFromTap(new Uint8Array(readFileSync('hello.tap')))
 *   createSpectrumTestbed({ regions: [[loadAddress, code]] })
 */
export interface TapCode {
    code: Uint8Array;
    loadAddress: number;
}
export declare function extractCodeFromTap(data: Uint8Array): TapCode;
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