/**
 * Sign-Magnitude Encoding Utilities
 * For STS3215 motor homing offset encoding/decoding
 */
/**
 * Encode a signed integer using sign-magnitude format
 * Bit at sign_bit_index represents sign (0=positive, 1=negative)
 * Lower bits represent magnitude
 */
export declare function encodeSignMagnitude(value: number, signBitIndex?: number): number;
/**
 * Decode a sign-magnitude encoded value back to signed integer
 * Extracts sign bit and magnitude, then applies sign
 */
export declare function decodeSignMagnitude(encodedValue: number, signBitIndex?: number): number;
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