import { Transferrable } from './MessageTarget';
/**
 * Serializes the given value into a new object that is flat and contains no circular references.
 *
 * The returned object is JSON-safe and contains a root which is the entry point to the data structure and optionally
 * contains a refs property which is a flat map of references.
 *
 * If the refs property is defined, then the data structure was circular.
 *
 * @param value The value to serialize.
 * @param transferrable The transferrable list.
 */
export declare function serializeStructure(value: unknown, transferrable?: Transferrable[]): Structure;
/**
 * Deserializes the given structure into its original form.
 * @param value The structure to deserialize.
 */
export declare function deserializeStructure(value: Structure): DeserializedStructure;
/**
 * Defines an interface for a serializable structure.
 * Usually created from a normal JavaScript object.
 */
export interface Structure {
    /**
     * The entry point into the structure.
     * Can be a reference to an object in the refs property.
     */
    root: any;
    /**
     * The ID of the channel that serialized this structure.
     * If omitted, then the root channel sent this message.
     * Used to multiplex messages.
     */
    channel?: number | string;
    /**
     * A map of reference IDs to objects.
     * Objects can additionally reference other objects.
     */
    refs?: {
        [key: string]: Ref;
    };
}
/**
 * Defines an interface for a structure that was deserialized.
 */
export interface DeserializedStructure {
    /**
     * The data in the structure.
     */
    data: any;
    /**
     * The list of values that were transferred and require extra processing to be fully transferred.
     */
    transferred: Transferrable[];
}
/**
 * Defines an interface for an object that has been serialized into a flat structure with references to other objects.
 */
export interface Ref {
    /**
     * The entry point for the object.
     * Can contain references to other objects.
     */
    root: any;
    /**
     * The type of the reference.
     * If omitted, then the value is either an object or an array.
     * If specified, then the value should be converted into the given type on
     * deserialization.
     */
    type?: 'ArrayBuffer' | 'Uint8Array' | 'Uint16Array' | 'Uint32Array' | 'Int8Array' | 'Int16Array' | 'Int32Array' | 'BigInt' | 'Date' | 'RegExp' | 'Map' | 'Set' | 'Error' | 'MessagePort';
}