export interface UnmatchedRecord {
    sessionId: number;
    timestamp: number;
    commandKey: string;
    projectCwd: string;
    byteCount: number;
}
export declare const DEFAULT_UNMATCHED_CAP = 10000;
export declare const DEFAULT_UNMATCHED_LOG_PATH: string;
export declare function _resetUnmatchedWarnedForTest(): void;
export declare function appendUnmatched(record: UnmatchedRecord, logPath?: string): void;
export declare function readUnmatched(logPath?: string): UnmatchedRecord[];
export declare function pruneUnmatchedIfNeeded(cap: number, logPath?: string): void;
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