import { Metadata } from './metadata';
/**
 * Cloudevent data.
 *
 * This exposes Cloudevent data from {@link Metadata}. Changes made to the
 * Cloudevent are reflected in the backing metadata, as are changes to the
 * backing metadata reflected in this Cloudevent.
 *
 * @public
 */
export declare class Cloudevent {
    /**
     * The metadata backing this Cloudevent.
     */
    readonly metadata: Metadata;
    /**
     * @param metadata - The metadata backing this Cloudevent
     */
    constructor(metadata: Metadata);
    /**
     * Get the spec version.
     */
    get specversion(): string | undefined;
    /**
     * Get or set the id.
     */
    get id(): string | undefined;
    set id(id: string | undefined);
    /**
     * Get or set the source.
     */
    get source(): string | undefined;
    set source(source: string | undefined);
    /**
     * Get or set the type.
     */
    get type(): string | undefined;
    set type(type: string | undefined);
    /**
     * Get or set the datacontenttype.
     */
    get datacontenttype(): string | undefined;
    set datacontenttype(datacontenttype: string | undefined);
    /**
     * Get or set the dataschema.
     */
    get dataschema(): string | undefined;
    set dataschema(dataschema: string | undefined);
    /**
     * Get or set the subject.
     */
    get subject(): string | undefined;
    set subject(subject: string | undefined);
    /**
     * Get or set the time.
     */
    get time(): Date | undefined;
    set time(time: Date | undefined);
    private getString;
}