import type { ProcessRequest, ProcessResult, ProcessRunner } from "../providers/process.js";
import { type GithubObservation, type GithubSyncStream } from "./types.js";
export declare const MAX_GITHUB_GRAPHQL_OUTPUT_BYTES: number;
export interface GithubSyncTarget {
    readonly repository: string;
    readonly owner: string;
    readonly name: string;
}
export interface GithubObservationPage {
    readonly stream: GithubSyncStream;
    readonly observations: readonly GithubObservation[];
    readonly has_next_page: boolean;
    readonly next_cursor: string | null;
}
export declare class GithubContactError extends Error {
    constructor(message?: string);
}
export declare class GithubRateLimitError extends Error {
    constructor();
}
export declare class GithubParseError extends Error {
    constructor(message: string);
}
export declare function normalizeGithubSyncTarget(repository: string): GithubSyncTarget;
export declare function normalizeGithubRemoteRepository(value: string): string;
export declare function assertGithubSyncTarget(value: unknown): asserts value is GithubSyncTarget;
/** Builds the only allowed gh invocation. Repository and cursor are JSON stdin, never argv or path data. */
export declare function buildGithubGraphqlRequest(options: {
    readonly target: GithubSyncTarget;
    readonly stream: GithubSyncStream;
    readonly cursor: string | null;
    readonly cwd: string;
    readonly env?: NodeJS.ProcessEnv;
}): ProcessRequest;
export declare function fetchGithubObservationPage(options: {
    readonly target: GithubSyncTarget;
    readonly stream: GithubSyncStream;
    readonly cursor: string | null;
    readonly observedAt: string;
    readonly cwd: string;
    readonly env?: NodeJS.ProcessEnv;
    readonly runner?: ProcessRunner;
}): GithubObservationPage;
export declare function parseGithubGraphqlResult(result: ProcessResult, target: GithubSyncTarget, stream: GithubSyncStream, observedAt: string): GithubObservationPage;