import { z } from 'zod';
/**
 * The content type for Arvo data in CloudEvents.
 * This is the recommended content type for Arvo events.
 */
export declare const ArvoDataContentType = "application/cloudevents+json;charset=UTF-8;profile=arvo";
/**
 * Zod schema for validating the core properties of a CloudEvent.
 * This schema defines the structure and validation rules for the mandatory
 * and optional attributes of a CloudEvent as per the CloudEvents specification.
 */
export declare const CloudEventContextSchema: z.ZodObject<{
    id: z.ZodString;
    time: z.ZodString;
    source: z.ZodEffects<z.ZodString, string, string>;
    specversion: z.ZodEffects<z.ZodString, "1.0", string>;
    type: z.ZodString;
    subject: z.ZodEffects<z.ZodString, string, string>;
    datacontenttype: z.ZodDefault<z.ZodEffects<z.ZodString, string, string>>;
    dataschema: z.ZodNullable<z.ZodEffects<z.ZodString, string, string>>;
}, "strip", z.ZodTypeAny, {
    type: string;
    id: string;
    time: string;
    source: string;
    specversion: "1.0";
    subject: string;
    datacontenttype: string;
    dataschema: string | null;
}, {
    type: string;
    id: string;
    time: string;
    source: string;
    specversion: string;
    subject: string;
    dataschema: string | null;
    datacontenttype?: string | undefined;
}>;
/**
 * Zod schema for validating custom CloudEvent extensions.
 * This schema allows for additional custom fields in the CloudEvent,
 * following the CloudEvents specification for extension attributes.
 */
export declare const CloudEventExtensionSchema: z.ZodRecord<z.ZodString, z.ZodUnion<[z.ZodString, z.ZodBoolean, z.ZodNumber, z.ZodNull]>>;
/**
 * Zod schema for validating the data payload of an Arvo event.
 * The data must be a JSON serializable object.
 */
export declare const ArvoDataSchema: z.ZodEffects<z.ZodRecord<z.ZodString, z.ZodAny>, Record<string, any>, Record<string, any>>;
/**
 * Zod schema for validating Arvo-specific extensions to the CloudEvent.
 * This schema defines additional fields used by Arvo for event routing,
 * access control, and execution metrics.
 */
export declare const ArvoExtensionSchema: z.ZodObject<{
    to: z.ZodNullable<z.ZodEffects<z.ZodString, string, string>>;
    accesscontrol: z.ZodNullable<z.ZodString>;
    redirectto: z.ZodNullable<z.ZodEffects<z.ZodString, string, string>>;
    executionunits: z.ZodNullable<z.ZodNumber>;
    parentid: z.ZodNullable<z.ZodString>;
    domain: z.ZodNullable<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    to: string | null;
    accesscontrol: string | null;
    redirectto: string | null;
    executionunits: number | null;
    parentid: string | null;
    domain: string | null;
}, {
    to: string | null;
    accesscontrol: string | null;
    redirectto: string | null;
    executionunits: number | null;
    parentid: string | null;
    domain: string | null;
}>;
/**
 * Zod schema for validating OpenTelemetry extensions to the CloudEvent.
 * This schema includes fields for distributed tracing as per the
 * OpenTelemetry specification.
 */
export declare const OpenTelemetryExtensionSchema: z.ZodObject<{
    traceparent: z.ZodNullable<z.ZodString>;
    tracestate: z.ZodNullable<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    traceparent: string | null;
    tracestate: string | null;
}, {
    traceparent: string | null;
    tracestate: string | null;
}>;