export declare const GITHUB_OBSERVATION_KINDS: readonly ["issue", "comment", "label", "branch", "pull_request", "review", "check"];
export type GithubObservationKind = (typeof GITHUB_OBSERVATION_KINDS)[number];
export declare const GITHUB_SYNC_STREAMS: readonly ["issues", "branches", "pull_requests"];
export type GithubSyncStream = (typeof GITHUB_SYNC_STREAMS)[number];
export interface GithubObservationBase<Kind extends GithubObservationKind, Snapshot extends Record<string, unknown>> {
    readonly schema_version: 1;
    readonly observation_key: string;
    readonly kind: Kind;
    readonly repository: string;
    readonly source_id_sha256: string;
    readonly source_version: string;
    readonly change: "present" | "removed";
    readonly presence_generation: number;
    readonly observed_at: string;
    readonly payload_sha256: string;
    readonly snapshot: Snapshot | GithubRemovalSnapshot;
}
export interface GithubRemovalSnapshot extends Record<string, unknown> {
    readonly removed: true;
    readonly previous_payload_sha256: string;
    readonly presence_generation: number;
}
export interface GithubIssueSnapshot extends Record<string, unknown> {
    readonly number: number;
    readonly issue_node_id: string;
    readonly title: string;
    readonly body: string;
    readonly labels: readonly string[];
    readonly url: string;
    readonly state: "OPEN" | "CLOSED";
    readonly updated_at: string;
}
export interface GithubCommentSnapshot extends Record<string, unknown> {
    readonly issue_number: number;
    readonly body: string;
    readonly url: string;
    readonly author: string | null;
    readonly created_at: string;
    readonly updated_at: string;
}
export interface GithubLabelSnapshot extends Record<string, unknown> {
    readonly issue_number: number;
    readonly name: string;
    readonly color: string;
    readonly description: string | null;
    readonly updated_at: string | null;
}
export interface GithubBranchSnapshot extends Record<string, unknown> {
    readonly name: string;
    readonly head_oid: string;
}
export interface GithubPullRequestSnapshot extends Record<string, unknown> {
    readonly number: number;
    readonly title: string;
    readonly body: string;
    readonly url: string;
    readonly state: "OPEN" | "CLOSED" | "MERGED";
    readonly is_draft: boolean;
    readonly head_ref_name: string;
    readonly head_oid: string;
    readonly base_ref_name: string;
    readonly updated_at: string;
}
export interface GithubReviewSnapshot extends Record<string, unknown> {
    readonly pull_request_number: number;
    readonly state: string;
    readonly body: string;
    readonly url: string;
    readonly author: string | null;
    readonly submitted_at: string | null;
    readonly updated_at: string;
}
export interface GithubCheckSnapshot extends Record<string, unknown> {
    readonly pull_request_number: number;
    readonly commit_oid: string;
    readonly check_type: "check_run" | "status_context";
    readonly name: string;
    readonly status: string;
    readonly conclusion: string | null;
    readonly url: string | null;
    readonly started_at: string | null;
    readonly completed_at: string | null;
    readonly updated_at: string | null;
}
export interface GithubSnapshotByKind {
    readonly issue: GithubIssueSnapshot;
    readonly comment: GithubCommentSnapshot;
    readonly label: GithubLabelSnapshot;
    readonly branch: GithubBranchSnapshot;
    readonly pull_request: GithubPullRequestSnapshot;
    readonly review: GithubReviewSnapshot;
    readonly check: GithubCheckSnapshot;
}
export type GithubObservationFor<Kind extends GithubObservationKind> = GithubObservationBase<Kind, GithubSnapshotByKind[Kind]>;
export type GithubIssueObservation = GithubObservationFor<"issue">;
export type GithubCommentObservation = GithubObservationFor<"comment">;
export type GithubLabelObservation = GithubObservationFor<"label">;
export type GithubBranchObservation = GithubObservationFor<"branch">;
export type GithubPullRequestObservation = GithubObservationFor<"pull_request">;
export type GithubReviewObservation = GithubObservationFor<"review">;
export type GithubCheckObservation = GithubObservationFor<"check">;
export type GithubObservation = GithubIssueObservation | GithubCommentObservation | GithubLabelObservation | GithubBranchObservation | GithubPullRequestObservation | GithubReviewObservation | GithubCheckObservation;
export interface GithubStreamWatermark {
    readonly page_count: number;
    readonly terminal_cursor_sha256: string | null;
}
export interface GithubWatermark {
    readonly schema_version: 1;
    readonly repository: string;
    readonly generation: number;
    readonly completed_at: string;
    readonly observation_count: number;
    readonly batch_sha256: string;
    readonly streams: Readonly<Record<GithubSyncStream, GithubStreamWatermark>>;
    readonly inventory: readonly GithubInventoryEntry[];
}
export interface GithubInventoryEntry {
    readonly observation_key: string;
    readonly kind: GithubObservationKind;
    readonly source_id_sha256: string;
    readonly payload_sha256: string;
    readonly presence_generation: number;
}
export interface GithubSyncBatch {
    readonly repository: string;
    readonly previous_watermark: GithubWatermark | null;
    readonly proposed_watermark: GithubWatermark;
    readonly observations: readonly GithubObservation[];
}
export interface GithubSyncResult {
    readonly watermark: GithubWatermark;
    readonly observations: readonly GithubObservation[];
    readonly watermark_path: string;
}