/**
 * Analytics collector — track local usage metrics.
 */
export interface Metrics {
    /** Total commands executed */
    totalCommands: number;
    /** Commands by name */
    commandCounts: Record<string, number>;
    /** PRs created */
    prsCreated: number;
    /** PRs landed */
    prsLanded: number;
    /** Average PR size (lines) */
    avgPrSize: number;
    /** Total PR sizes for running average */
    totalPrLines: number;
    /** Number of size samples */
    prSizeSamples: number;
    /** Stacks created */
    stacksCreated: number;
    /** Conflicts encountered */
    conflictsEncountered: number;
    /** Syncs performed */
    syncsPerformed: number;
    /** First usage date */
    firstUsed: string;
    /** Last usage date */
    lastUsed: string;
}
/**
 * Track a command execution.
 */
export declare function trackCommand(command: string): Promise<void>;
/**
 * Track PRs created.
 */
export declare function trackPRsCreated(count: number, totalLines: number): Promise<void>;
/**
 * Track PRs landed.
 */
export declare function trackPRsLanded(count: number): Promise<void>;
/**
 * Track a stack creation.
 */
export declare function trackStackCreated(): Promise<void>;
/**
 * Track a conflict.
 */
export declare function trackConflict(): Promise<void>;
/**
 * Track a sync.
 */
export declare function trackSync(): Promise<void>;
/**
 * Get all metrics for display.
 */
export declare function getMetrics(): Promise<Metrics>;
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