import type { ProviderAdapter } from "../types.js";
export interface ProviderCapabilities {
    streaming: boolean;
    structuredOutput: boolean;
    reasoning: boolean;
    usage: boolean;
    cancellation: boolean;
}
export declare class ProviderAdapterRegistry {
    private readonly entries;
    register(adapter: ProviderAdapter, capabilities: ProviderCapabilities): void;
    get(apiKind: string): ProviderAdapter;
    capabilities(apiKind: string): ProviderCapabilities;
    kinds(): string[];
}
export declare function getProviderAdapter(apiKind: string): ProviderAdapter;
export declare function registerProviderAdapter(adapter: ProviderAdapter, capabilities: ProviderCapabilities): void;
export declare function getProviderCapabilities(apiKind: string): ProviderCapabilities;
/**
 * Rejects non-https endpoints and link-local / cloud-metadata IPs before any
 * credentials are attached. Localhost (loopback) is permitted over plain http
 * for development. Throws on unsafe endpoints.
 */
export declare function assertSafeEndpoint(endpoint: string): void;