import type { ProviderId, TransportId } from './provider-config.js';
import type { AgentName } from './types.js';
export interface NativeSupportEntry {
    agent: string;
    provider: ProviderId;
    mechanism: string;
}
export declare function isNativelySupported(agent: AgentName, provider: ProviderId): boolean;
export declare function isTransportCompatible(agent: AgentName, provider: ProviderId): boolean;
export declare function getNativeMechanism(agent: AgentName, provider: ProviderId): string | null;
export declare function getRequiredProxyTransport(agent: AgentName, provider: ProviderId): TransportId | null;
export declare function getHarnessDefaultTransport(agent: AgentName): TransportId;