import type { AgentPlugin, Provider } from "./plugin-types.js";
type ProviderResolutionErrorOptions = {
    modelId: string;
    providerNames: string[];
    providerName?: string;
    cause?: unknown;
};
export declare class ProviderResolutionError extends Error {
    readonly modelId: string;
    readonly providerNames: string[];
    readonly providerName?: string;
    constructor(options: ProviderResolutionErrorOptions);
}
export declare class DuplicateProviderNameError extends Error {
    readonly providerName: string;
    readonly pluginEntries: string[];
    constructor(providerName: string, pluginEntries: string[]);
}
export declare function collectProviders(plugins: AgentPlugin[]): Provider[];
export declare function resolveProvider(providers: Provider[], modelId: string): Provider;
export {};