import { OpaqueValue, TargetMetadata } from "../abi/metadata.js";
type HeapMetadata = TargetMetadata;
export declare class HeapObject {
    readonly handle: NativePointer;
    static readonly SIZEOF: number;
    readonly metadata: HeapMetadata;
    readonly refCounts: number;
    constructor(handle: NativePointer);
    getMetadata<T extends TargetMetadata>(c: new (handle: NativePointer) => T): T;
}
export declare class BoxPair {
    readonly object: HeapObject;
    readonly buffer: OpaqueValue;
    constructor(objAndBuffer: NativePointer[]);
}
export {};