export type RetrievalLedgerStage = 'eligible' | 'candidate' | 'selected' | 'consumed' | 'verified' | 'positive_outcome' | 'negative_outcome' | 'unknown_outcome' | 'rejected';
export type RetrievalLedgerSourceType = 'code' | 'memory' | 'knowledge' | 'action';
export interface RetrievalLedgerEventRecord {
    schemaVersion?: 'retrieval-ledger-event.v1';
    id: string;
    projectRoot: string;
    sessionId: string;
    executionId?: string;
    turnId?: string;
    requestId: string;
    contextReceipt: string;
    sourceType: RetrievalLedgerSourceType;
    sourceId: string;
    taskSpecHash?: string;
    actor?: string;
    sourceVersion?: string;
    sourceContentHash?: string;
    evidenceIds?: string[];
    reasonCode?: string;
    stage: RetrievalLedgerStage;
    rank?: number;
    rawScore?: number;
    normalizedScore?: number;
    finalScore?: number;
    applicability: string[];
    reason?: string;
    toolEvidence: string[];
    verificationReceipt?: string;
    payload: Record<string, unknown>;
    createdAt: number;
}
export interface VerifyReceiptBoundRetrievalInput {
    projectRoot: string;
    sessionId: string;
    executionId: string;
    contextReceipt: string;
    toolUseId: string;
    verificationReceipt: string;
    verifiedAt: number;
}
export interface VerifyReceiptBoundRetrievalResult {
    selected: number;
    consumed: number;
    verified: number;
}
export declare function retrievalLedgerTransitionId(sourceEventId: string, stage: RetrievalLedgerStage, provenance: string): string;