import { type BaselineRecord, type ComponentChange, type DriftResult, type EnvironmentState, type PackageComponentState, type RevisionDiffEntry, type RevisionEntry, type RevisionLedgerData, type RevisionQueryFilter, type SourceComponentState, type SourceTrackingProjection } from './types';
export declare const REVISION_LEDGER_SCHEMA_VERSION = 1;
export declare function createEmptyEnvironmentState(): EnvironmentState;
export declare function createEmptyLedgerData(workspaceRoot?: string): RevisionLedgerData;
export declare function ensureEnvironmentState(data: RevisionLedgerData, environment: string): EnvironmentState;
export declare function assertSchemaVersion(data: RevisionLedgerData): void;
export declare function createRevisionLedgerError(code: string, message: string, details?: Record<string, unknown>, originalError?: Error): Error & {
    code: string;
    details?: Record<string, unknown>;
    originalError?: Error;
};
export declare function validateRevisionEntry(entry: RevisionEntry, existingRevisionIds: Set<string>): void;
export declare function applyRevisionEntry(environmentState: EnvironmentState, entry: RevisionEntry): void;
export declare function reconstructEnvironmentState(data: RevisionLedgerData, environment: string, revisionId?: string): EnvironmentState;
export declare function compareRevisionsAscending(left: RevisionEntry, right: RevisionEntry): number;
export declare function compareRevisionsDescending(left: RevisionEntry, right: RevisionEntry): number;
export declare function updateBaselineHashes(data: RevisionLedgerData, environment: string, baselineRecord: BaselineRecord): void;
export declare function projectTrackingState(environmentState?: EnvironmentState): SourceTrackingProjection;
export declare function applyTrackingProjection(environmentState: EnvironmentState, projection: SourceTrackingProjection): void;
export declare function queryRevisionsFromData(data: RevisionLedgerData, filter: RevisionQueryFilter): RevisionEntry[];
export declare function calculateDriftFromData(data: RevisionLedgerData, environment: string): DriftResult;
export declare function compareRevisionStates(data: RevisionLedgerData, revisionA: RevisionEntry, revisionB: RevisionEntry): RevisionDiffEntry[];
export declare function createSnapshotComponentChanges(sourceStates: SourceComponentState[], packageStates: PackageComponentState[]): ComponentChange[];