export declare const MIN_SNAPSHOT_BYTES_PER_ROW = 300;
export type RecoveryPath = "streaming" | "whole-payload";
export interface RecoveryMeasurement {
    path: RecoveryPath;
    rowCount: number;
    snapshotBytes: number;
    baseline: number;
    peak: number;
    peakGrowth: number;
    retained: number;
    retainedGrowth: number;
    transientGrowth: number;
    recoveredRowCount: number;
}
export interface V4RecoveryMeasurement {
    rowCount: number;
    snapshotBytes: number;
    baseline: number;
    decoderPeak: number;
    decoderPeakGrowth: number;
    retained: number;
    retainedGrowth: number;
    recoveredRowCount: number;
}
export declare function configuredMemoryRowCount(environmentVariable: string, defaultRowCount: number): number;
export declare function memoryTestTimeoutMs(rowCount: number, defaultRowCount: number): number;
export declare function acquireGc(): () => void;
export declare function usedBytes(): number;
export declare function collectGarbage(collect: () => void): void;
export declare function measureRecovery(recoveryPath: RecoveryPath, rowCount: number): RecoveryMeasurement;
export declare function measureV4Recovery(rowCount: number): V4RecoveryMeasurement;
export declare function cleanupSnapshotMemoryTest(): void;
//# sourceMappingURL=journal-snapshot-memory-helpers.d.ts.map