import type { Effort } from "@oh-my-pi/pi-catalog/effort";
import type { AnthropicOptions } from "./providers/anthropic";
import type { GoogleOptions } from "./providers/google";
import type { GoogleGeminiCliOptions } from "./providers/google-gemini-cli";
import type { GoogleVertexOptions } from "./providers/google-vertex";
import type { Api, AssistantMessage, Context, Model, OptionsForApi, SimpleStreamOptions, ToolChoice } from "./types";
import { AssistantMessageEventStream } from "./utils/event-stream";
export declare function configureProviderMaxInFlightRequests(limits: Record<string, number> | undefined): void;
export declare const __providerInFlightForTesting: {
    setRoot(root: string | undefined): void;
    providerDir(provider: string): string;
    lockDir(provider: string): string;
    captureStaleLockRelease(provider: string): Promise<(() => Promise<void>) | null>;
    captureLockDirRelease(provider: string): Promise<(() => Promise<void>) | null>;
};
/**
 * Get API key for provider from known environment variables, e.g. OPENAI_API_KEY.
 *
 * Will not return API keys for providers that require OAuth tokens.
 * Checks Bun.env, then cwd/.env, then ~/.env.
 */
export declare function getEnvApiKey(provider: string): string | undefined;
/**
 * Name of the environment variable that backs `getEnvApiKey` for a provider,
 * when that provider maps to a single named variable (e.g. `github-copilot` →
 * `COPILOT_GITHUB_TOKEN`). Returns undefined for providers whose env fallback
 * is computed (multi-var pickers, Vertex ADC / Bedrock probes, …) since no
 * single variable name describes the source.
 */
export declare function getEnvApiKeyName(provider: string): string | undefined;
/**
 * Enumerate every provider that has an env-var fallback for `getEnvApiKey`.
 * Used by `omp auth-broker migrate --include-env` to discover env-sourced keys
 * that should be uploaded to the broker.
 */
export declare function listProvidersWithEnvKey(): string[];
export declare function stream<TApi extends Api>(model: Model<TApi>, context: Context, options?: OptionsForApi<TApi>): AssistantMessageEventStream;
export declare function complete<TApi extends Api>(model: Model<TApi>, context: Context, options?: OptionsForApi<TApi>): Promise<AssistantMessage>;
export declare function streamSimple<TApi extends Api>(model: Model<TApi>, context: Context, options?: SimpleStreamOptions): AssistantMessageEventStream;
export declare function completeSimple<TApi extends Api>(model: Model<TApi>, context: Context, options?: SimpleStreamOptions): Promise<AssistantMessage>;
export declare const OUTPUT_FALLBACK_BUFFER = 4000;
export declare const ANTHROPIC_THINKING: Record<Effort, number>;
export declare function mapAnthropicToolChoice(choice?: ToolChoice): AnthropicOptions["toolChoice"];
export declare function mapGoogleToolChoice(choice?: ToolChoice): GoogleOptions["toolChoice"] | GoogleGeminiCliOptions["toolChoice"] | GoogleVertexOptions["toolChoice"];