/**
 * Parallel AI Provider Adapter.
 *
 * Implements Search, Research, and Diagnostics capabilities for Parallel AI.
 *
 * Field mapping (Parallel API → Provider-neutral):
 *   results[].title         -> title
 *   results[].url           -> url
 *   results[].excerpts[]    -> summary (joined with double newlines)
 *   results[].publish_date  -> date
 *
 * Reader (Extract API):
 *   results[].full_content  -> content (primary; excerpts are a degraded fallback)
 *   results[].title         -> title
 *   results[].url           -> finalUrl
 *   Request: advanced_settings.full_content = true (8P.2)
 *   retainImages:false      -> strip ![alt](url) tokens locally (no server-side toggle; #52)
 *
 * Research (Task / Deep Research API — 8P.1):
 *   POST /v1/tasks/runs      → create async task run (pro/ultra processor)
 *   GET  /v1/tasks/runs/{id}/result → long-poll until terminal
 *   output.content            -> report (markdown report string)
 *   output.basis[].citations  -> sources (flattened + deduplicated by URL)
 *   run.processor             -> model (echoed)
 *
 * Control mapping (SearchControls → Parallel-native API params):
 *   topic       -> appended to query string (Parallel has no native topic field)
 *   type        -> REJECTED (UnsupportedOptionError)
 *   domain      -> advanced_settings.source_policy.include_domains (8P.3)
 *   recency     -> advanced_settings.source_policy.after_date (RFC 3339) (8P.3)
 *   location    -> advanced_settings.location (8P.3; only "us" accepted)
 *   contentSize -> advanced_settings.excerpt_settings.max_chars_per_result (8P.3)
 *
 * Control mapping (ResearchRequest → Parallel Task API params):
 *   model          -> processor (mini→pro-fast, pro→ultra, auto→pro)
 *   domain         -> source_policy.include_domains
 *   outputLength   -> task_spec.output_schema.description (length steering)
 *   citationFormat -> task_spec.output_schema.description (format steering)
 */
import type { ProviderAdapter, ProviderContext, ProviderDescriptor, ProviderId } from "../types.js";
import type { SearchCapability } from "../../capabilities/search.js";
import type { ResearchCapability } from "../../capabilities/research.js";
import type { ReaderCapability } from "../../capabilities/reader.js";
import type { DiagnosticsCapability } from "../../capabilities/diagnostics.js";
import type { AsyncJobStateFile } from "../../lib/async-job-state.js";
import { type ParallelTransportDeps } from "./client.js";
export interface ParallelAdapterDependencies {
    readonly transport?: ParallelTransportDeps;
    /**
     * Optional Research state-file port (8P.1). Production defaults to the
     * on-disk implementation under `~/.scoutline/research/`; tests inject
     * in-memory doubles to exercise the lifecycle deterministically.
     */
    readonly researchStateFile?: AsyncJobStateFile;
    /**
     * Disk dir for the research create-lock (Cubic P1); defaults to
     * `asyncJobStateDir("research")`. When undefined (in-memory test
     * mode), the lock is a no-op.
     */
    readonly researchStateDir?: string;
}
export declare class ParallelAdapter implements ProviderAdapter {
    private readonly context;
    readonly id: ProviderId;
    readonly search: SearchCapability;
    readonly research: ResearchCapability;
    readonly reader: ReaderCapability;
    readonly diagnostics: DiagnosticsCapability;
    constructor(context: ProviderContext, deps?: ParallelAdapterDependencies);
}
export declare function createParallelDescriptor(dependencies?: ParallelAdapterDependencies): ProviderDescriptor;
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