/**
 * Validate an Ethereum address
 * @param address Address to validate
 * @param paramName Parameter name for error messages
 * @throws AstrixSDKError if the address is invalid
 */
export declare function validateAddress(address: string, paramName?: string): void;
/**
 * Validate a number is positive
 * @param value Value to validate
 * @param paramName Parameter name for error messages
 * @throws AstrixSDKError if the value is not positive
 */
export declare function validatePositiveNumber(value: number, paramName?: string): void;
/**
 * Validate a bigint is positive
 * @param value Value to validate
 * @param paramName Parameter name for error messages
 * @throws AstrixSDKError if the value is not positive
 */
export declare function validatePositiveBigInt(value: bigint, paramName?: string): void;
/**
 * Validate a string is not empty
 * @param value Value to validate
 * @param paramName Parameter name for error messages
 * @throws AstrixSDKError if the string is empty
 */
export declare function validateNonEmptyString(value: string, paramName?: string): void;
/**
 * Validate an array is not empty
 * @param array Array to validate
 * @param paramName Parameter name for error messages
 * @throws AstrixSDKError if the array is empty
 */
export declare function validateNonEmptyArray(array: unknown[], paramName?: string): void;
/**
 * Validate a token amount
 * @param amount Amount to validate
 * @param paramName Parameter name for error messages
 * @throws AstrixSDKError if the amount is invalid
 */
export declare function validateTokenAmount(amount: bigint, paramName?: string): void;
/**
 * Validate tribe parameters
 * @param tribeId Tribe ID to validate
 * @throws AstrixSDKError if the tribe ID is invalid
 */
export declare function validateTribeId(tribeId: number): void;
/**
 * Check if a value is an object
 * @param obj Object to check
 */
export declare function isObject(obj: Record<string, unknown>): boolean;