import type { EventV3 } from "../events/v3/contract.js";
export type PresenceCodecCategory = "research" | "diagnostic" | "build" | "edit" | "test" | "coordinate" | "other";
export interface PresenceCodecAction {
    category: PresenceCodecCategory;
    outcome: "ok" | "error" | "unknown";
    event_id: string;
    observed_at: string;
}
export interface PresenceCodecDigest {
    schema_version: 1;
    observed_at: string;
    operation?: {
        category: PresenceCodecCategory;
        label: string;
        event_id: string;
        observed_at: string;
    };
    context?: {
        used_percent: number;
        confidence: "exact" | "reported" | "estimated";
        event_id: string;
        observed_at: string;
    };
    recent_actions: PresenceCodecAction[];
}
/** Build a strict, content-free per-instance digest for encrypted presence. */
export declare function buildPresenceCodecDigests(coordRoot: string): Map<string, PresenceCodecDigest>;
export declare function projectPresenceCodecDigests(events: readonly EventV3[]): Map<string, PresenceCodecDigest>;
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