/**
 * Concrete, dependency-free HTTP providers.
 *
 * Provider responses are parsed here, but their JSON-schema contract is still
 * enforced by `generateValidated` in provider.ts.  Network redirects are
 * manual, credentials are endpoint-bound, and response bodies are bounded
 * before parsing.
 */
import { type ProviderConfigV1 } from "../config/config.ts";
import { type ProviderAdapter, type ProviderCapabilitiesV1, type ProviderGenerationRequestV1, type ProviderGenerationResultV1 } from "./provider.ts";
export type ProviderFetch = (url: string, init: RequestInit) => Promise<Response>;
export type ProviderHostnameResolver = (hostname: string) => Promise<readonly string[]>;
export interface HttpProviderRuntimeOptions {
    /** Trusted test seam. Production uses the DNS-pinned HTTP(S) transport. */
    fetch?: ProviderFetch;
    /** Injected in tests; production resolves every destination before use. */
    resolveHostname?: ProviderHostnameResolver;
    /** A credential source. Values are never persisted or placed in errors. */
    env?: Readonly<Record<string, string | undefined>>;
    requestIdFactory?: () => string;
    maxResponseBytes?: number;
}
export declare class OpenAIResponsesProvider implements ProviderAdapter {
    #private;
    readonly name = "openai";
    readonly capabilities: Readonly<ProviderCapabilitiesV1>;
    constructor(config: ProviderConfigV1, runtimeOptions?: HttpProviderRuntimeOptions);
    maximumRequestCostUsd(request: ProviderGenerationRequestV1): number;
    generate(request: ProviderGenerationRequestV1): Promise<ProviderGenerationResultV1>;
}
export declare class OllamaProvider implements ProviderAdapter {
    #private;
    readonly name = "ollama";
    readonly capabilities: Readonly<ProviderCapabilitiesV1>;
    constructor(config: ProviderConfigV1, runtimeOptions?: HttpProviderRuntimeOptions);
    maximumRequestCostUsd(request: ProviderGenerationRequestV1): number;
    generate(request: ProviderGenerationRequestV1): Promise<ProviderGenerationResultV1>;
}
export declare function createOpenAIProvider(config: ProviderConfigV1, runtimeOptions?: HttpProviderRuntimeOptions): OpenAIResponsesProvider;
export declare function createOllamaProvider(config: ProviderConfigV1, runtimeOptions?: HttpProviderRuntimeOptions): OllamaProvider;
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