import type { DiagnosticHandler, InsforgeHttpResult, PostJsonOptions } from "./types.js";
export interface InsforgeHttpClientOptions {
    endpoint: string;
    apiKey?: string;
    anonKey?: string;
    apiKeyHeader?: string;
    extraHeaders?: Record<string, string>;
    allowSelfSigned?: boolean;
    timeoutMs?: number;
    /** Used as diagnostic source + fingerprint scope. e.g. "sal.eval", "ext.telemetry". */
    source: string;
    onDiagnostic?: DiagnosticHandler;
}
/**
 * Thin PostgREST HTTP client. Strictly transport: no routing, no batching, no
 * upsert semantics — those belong to the consumer (e.g. SAL's InsForgeEvalSink).
 *
 * Sinks construct one of these per options.endpoint, then call postJson /
 * patchJson with the full record URL. Diagnostics emit through
 * options.onDiagnostic with `source:category:fingerprint` keying so multiple
 * sinks can share an emit channel without collisions.
 */
export declare class InsforgeHttpClient {
    readonly base: string;
    private headers;
    private allowSelfSigned;
    private timeoutMs;
    private source;
    private onDiagnostic?;
    constructor(options: InsforgeHttpClientOptions);
    postJson(url: string, body: unknown, extra?: PostJsonOptions): Promise<InsforgeHttpResult>;
    patchJson(url: string, body: unknown): Promise<InsforgeHttpResult>;
    private httpJson;
    private reportDiagnostic;
}
export declare function parsePostgrestErrorCode(rawBody: string): string | undefined;
export declare function safeHost(value: string): string | undefined;