import type { TaskProfile } from '../akinator/types.js';
import type { Coverage, JsonValue, LedgerEventType } from './types.js';
export type IntakeStatus = 'ready' | 'exhausted';
export type ProjectionCoverage = 'complete' | 'partial';
export type EvidenceState = 'none' | 'failed' | 'fresh' | 'stale';
export type MissingProfileField = 'taskType' | 'target' | 'expected';
export interface LedgerEventSnapshot {
    eventId: string;
    sequence: number;
    eventType: LedgerEventType;
    outcome?: string | null;
    payload?: JsonValue;
}
export interface LedgerProjectionInput {
    initialProfile: TaskProfile;
    intakeStatus: IntakeStatus;
    coverage: Coverage;
    throughSequence: number;
    events: LedgerEventSnapshot[];
}
export interface LedgerProjection {
    throughSequence: number;
    taskProfile: TaskProfile;
    profileHash: string;
    evidenceState: EvidenceState;
    unresolvedFailureEventIds: string[];
    unknownOutcomeEventIds: string[];
    latestMutationSequence: number | null;
    latestMutationEventIds: string[];
    latestPassingVerificationSequence: number | null;
    latestPassingVerificationEventIds: string[];
    coverage: ProjectionCoverage;
    declaredCoverage: Coverage;
    intakeIncomplete: boolean;
    missingProfileFields: MissingProfileField[];
}
export declare function projectLedger(input: unknown): LedgerProjection;
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