import type { WebSocketConstructor } from './transport';
import type { Logger, LogSink } from '../logger';
export type TransportType = 'websocket' | 'rest';
export type RetryStrategy = 'linear' | 'exponential';
export type RuntimeDependencies = {
    /** Custom WebSocket constructor. Auto-detected on Node 21+ and browsers. */
    WebSocket?: WebSocketConstructor;
    /** Custom fetch implementation. Defaults to `globalThis.fetch`. */
    fetch?: typeof fetch;
};
export type SDKConfig = {
    /** Runware API key. Required. */
    apiKey: string;
    /** WebSocket endpoint, including API version path. Default: `wss://ws-api.runware.ai/v1`. */
    wsBaseUrl: string;
    /** REST endpoint, including API version path. Default: `https://api.runware.ai/v1`. */
    httpBaseUrl: string;
    /** Transport to use. Default: `websocket`. */
    transport: TransportType;
    /**
     * Per-individual-HTTP-call timeout in ms (one POST or one `getResponse`
     * poll). Default: 1_200_000 (20 min).
     */
    timeout: number;
    /**
     * End-to-end polling-loop timeout in ms. SDK gives up after this even if
     * individual polls succeed. Default: 1_200_000 (20 min).
     */
    pollTimeout: number;
    /** WebSocket authentication timeout in ms. Default: 15000. */
    authTimeout: number;
    /** Max retries on REST transport errors. Default: 3. */
    maxRetries: number;
    /** Base delay (ms) for REST retries and WebSocket reconnect backoff. Default: 1000. */
    retryDelay: number;
    /** Retry backoff strategy. Default: `exponential`. */
    retryStrategy: RetryStrategy;
    /** Max WebSocket reconnect attempts. Default: `Infinity`. */
    maxReconnectAttempts: number;
    /** Enable debug logging. Default: false. */
    debug?: boolean;
    /** Enable client-side request validation against fetched schemas. Default: false. */
    validate?: boolean;
    /** Inject custom runtime dependencies (WebSocket, fetch). */
    dependencies?: RuntimeDependencies;
    /** Custom log sink. Defaults to a plain-text sink that writes to `console`. */
    logSink?: LogSink;
    /**
     * Prepended to the `User-Agent` sent on requests, so wrappers (MCP servers,
     * apps built on the SDK) identify themselves ahead of the SDK token — e.g.
     * `runware-mcp/1.1.1 runware-typescript/1.4.1 (node/…) schemas/…`. Optional.
     */
    userAgentPrefix?: string;
    /** Internal: populated by `createConfig`. */
    log: Logger;
};
export type ResponseCallback<T = unknown> = (response: T) => void;
export type RunOptions = {
    /**
     * Called once per item as soon as it reaches a terminal state (success or
     * error). For `numberResults > 1`, fires up to N times — once per result as
     * it completes. Error items fire here before the promise rejects, so you
     * can observe partial outcomes (e.g., 2 of 3 results succeeded).
     */
    onResult?: (item: Record<string, unknown>) => void;
    /**
     * Called when an item's `progress` field changes (0-100). Currently only
     * a handful of long-running models emit progress updates (mostly training).
     * Skip this for typical image/video inference — those don't report progress.
     */
    onProgress?: (item: Record<string, unknown>) => void;
    /** Per-call timeout override in ms. Falls back to `config.timeout`. */
    timeout?: number;
    /** Abort the request mid-flight. */
    signal?: AbortSignal;
    /**
     * Per-call client-side validation override. Falls back to `config.validate`.
     * Set to `false` to skip validation on a single call when the client was
     * created with `validate: true`, or to `true` to run validation on a single
     * call when the client was created without it.
     */
    validate?: boolean;
};
export type StreamOptions = {
    /** Abort the stream mid-flight. */
    signal?: AbortSignal;
    /**
     * Per-call timeout in ms. If the stream doesn't complete in time, it's
     * aborted via the same mechanism as `signal`. Falls back to `config.timeout`.
     */
    timeout?: number;
    /**
     * Per-call client-side validation override. Falls back to `config.validate`.
     * Set to `false` to skip validation, or `true` to force it.
     */
    validate?: boolean;
};
export type TaskPayload = {
    taskType: string;
    taskUUID: string;
    [key: string]: unknown;
};
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