/**
 * If the ```AWS_CRT_MEMORY_TRACING``` is environment variable is set to 1 or 2,
 * will return the native memory usage in bytes. Otherwise, returns 0.
 * @returns The total allocated native memory, in bytes.
 *
 * @category System
 */
export declare function native_memory(): number;
/**
 * Dumps outstanding native memory allocations. If the ```AWS_CRT_MEMORY_TRACING```
 * environment variable is set to 1 or 2, will dump all active native memory to
 * the console log.
 *
 * @category System
 */
export declare function native_memory_dump(): void;
/**
 * Emits a one-time warning when aws-crt runs on a Node.js version that will be unsupported starting January 2027.
 * Suppress it by setting the AWS_CRT_NODEJS_SUPPRESS_NODE_DEPRECATION_WARNING environment variable, e.g.
 * @example
 * process.env.AWS_CRT_NODEJS_SUPPRESS_NODE_DEPRECATION_WARNING='true'
 * @example
 * AWS_CRT_NODEJS_SUPPRESS_NODE_DEPRECATION_WARNING=1 node app.js
 * @internal
 */
export declare function emitNodeDeprecationWarning(): void;