/**
 * Packs a value into the stats array using a specific bit width.
 * Equivalent to C++ `set_compressed_integer`.
 *
 * @param stats The stats array (number[] representing int16s)
 * @param startIndex The index in the stats array where the packed region begins (e.g. STAT_AMMO_INFO_START)
 * @param id The ID of the item to set (0-based index within the packed region)
 * @param count The value to set
 * @param bitsPerValue Number of bits per item (e.g. 9 for ammo, 2 for powerups)
 */
export declare function setCompressedInteger(stats: number[], startIndex: number, id: number, count: number, bitsPerValue: number): void;
/**
 * Unpacks a value from the stats array.
 * Equivalent to C++ `get_compressed_integer`.
 */
export declare function getCompressedInteger(stats: number[], startIndex: number, id: number, bitsPerValue: number): number;
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