import type { CfProperties, ExecutionContext } from '@cloudflare/workers-types';
interface EventBase {
    protocol: string;
    host: string;
    method: string;
    headers: Record<string, string>;
}
interface MinimalCloudflareProps {
    context: ExecutionContext;
    request?: Record<string, unknown>;
    env?: Record<string, unknown>;
}
interface CloudflareContext {
    cf: CfProperties;
    cloudflare: MinimalCloudflareProps;
}
interface CfEventDirect extends EventBase {
    context: CloudflareContext;
}
interface CfEventPlatform extends EventBase {
    context: {
        _platform: CloudflareContext;
    };
}
export type CfEventType = CfEventDirect | CfEventPlatform;
/**
 * Type guard to check if an event context object has cf properties
 */
export declare function hasCfProperty(context: unknown): context is {
    cf: CfProperties;
};
/**
 * Type guard to check if an event is a Cloudflare event (nested in _platform or direct)
 */
export declare function isEventType(event: unknown): event is CfEventType;
/**
 * Extracts cf properties from a Cloudflare event
 */
export declare function getCfProperties(event: CfEventType): CfProperties;
/**
 * Extracts cloudflare properties from a Cloudflare event
 */
export declare function getCloudflareProperties(event: CfEventType): MinimalCloudflareProps;
export {};
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