/**
 * Validate that a number is within range
 * @param value - Number to validate
 * @param min - Minimum value (inclusive)
 * @param max - Maximum value (inclusive)
 * @param name - Name for error message
 * @throws Error if value is out of range
 */
export declare function validateRange(value: number, min: number, max: number, name?: string): void;
/**
 * Find index of separator byte in array
 * @param bytes - Bytes to search
 * @param separator - Byte to find (default: 0xff)
 * @returns Index of separator, or -1 if not found
 */
export declare function findSeparator(bytes: Uint8Array, separator?: number): number;
/**
 * Split bytes at separator
 * @param bytes - Bytes to split
 * @param separator - Byte to split on (default: 0xff)
 * @returns Array of byte segments
 */
export declare function splitBytes(bytes: Uint8Array, separator?: number): Uint8Array[];
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