/**
 * fetch command — direct, evidentiary HTTP client (ADR-0006).
 *
 * Consolidates binary-safe direct retrieval and raw REST API calls:
 *
 *   - Evidentiary GET (default): byte-exact, streaming to --out with --md5
 *     hash verification, real browser User-Agent, following redirects.
 *   - Structured API: --method, --data (@body.json or inline), --header.
 *
 * This command is credential-free (no AI provider, no adapter, no LLM
 * translation) and is dispatched before credentialed config load.
 */
import type { CommandResult } from "../command-invocation.js";
import type { OutputMode } from "../lib/output.js";
import type { HandlerDependencies } from "../index.js";
export declare const DEFAULT_USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36";
export declare const DEFAULT_FETCH_TIMEOUT_MS = 30000;
export declare const FETCH_HELP: string;
export interface FetchOptions {
    readonly out?: string;
    readonly md5?: boolean;
    readonly sha256?: boolean;
    readonly raw?: boolean;
    readonly ua?: string;
    readonly method?: string;
    readonly data?: string;
    readonly headers?: readonly string[];
    readonly pdf?: "text" | "raw";
    readonly pdfRepair?: boolean;
    readonly timeout?: number;
}
export interface FetchResultData {
    readonly schemaVersion: 1;
    readonly url: string;
    readonly finalUrl: string;
    readonly status: number;
    readonly statusText: string;
    readonly headers: Readonly<Record<string, string>>;
    readonly bytes: number;
    readonly md5?: string;
    readonly sha256?: string;
    readonly outPath?: string;
    readonly contentType?: string;
    readonly content?: string;
}
/**
 * Validate that a URL starts with http:// or https://.
 */
export declare function validateFetchUrl(url: string): void;
/**
 * Parse fetch CLI arguments supporting multi-flag headers (-H / --header).
 */
export declare function parseFetchArgs(args: readonly string[]): {
    readonly options: FetchOptions;
    readonly positional: readonly string[];
    readonly showHelp: boolean;
};
/**
 * Pure execution of the fetch operation.
 */
export declare function executeFetch(url: string, options?: FetchOptions): Promise<FetchResultData>;
/**
 * Invocation-seam command wrapper returning CommandResult.
 */
export declare function fetchCommand(url: string, options?: FetchOptions): Promise<CommandResult<FetchResultData>>;
/**
 * Handler invoked by the dispatcher in `src/index.ts`.
 */
export declare function handleFetch(args: string[], outputMode: OutputMode, deps: HandlerDependencies, forceRaw?: boolean): Promise<number>;
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