import { type ExposedPortEndpoint, type SandboxSessionState } from '@openai/agents-core/sandbox';
export declare function assertConfiguredExposedPort(args: {
    providerName: string;
    port: number;
    configuredPorts?: number[];
    allowOnDemand?: boolean;
}): number;
export declare function getCachedExposedPortEndpoint(state: SandboxSessionState, port: number): ExposedPortEndpoint | undefined;
export declare function recordResolvedExposedPortEndpoint(state: SandboxSessionState, requestedPort: number, endpoint: ExposedPortEndpoint): ExposedPortEndpoint;
export declare function parseExposedPortEndpoint(value: string, args: {
    providerName: string;
    source: string;
    query?: string;
}): ExposedPortEndpoint;