/**
 * @fileoverview Memory profiler for fitness checks
 *
 * Always-on, low-overhead memory tracking for check execution.
 * Collects per-check profiles for trending analysis.
 */
/** Memory usage profile recorded for a single check execution */
export interface CheckMemoryProfile {
    readonly checkId: string;
    readonly memoryBeforeMB: number;
    readonly memoryAfterMB: number;
    readonly memoryDeltaMB: number;
    readonly violationCount: number;
    readonly durationMs: number;
}
/** Aggregated memory profiling summary across all check executions */
interface MemoryProfileSummary {
    readonly prewarmMemoryMB: number;
    readonly peakMemoryMB: number;
    readonly checksExceedingThreshold: number;
    readonly topConsumers: readonly CheckMemoryProfile[];
    readonly allProfiles: readonly CheckMemoryProfile[];
}
/** Low-overhead memory profiler that tracks per-check heap usage during fitness runs */
export declare class MemoryProfiler {
    private readonly profiles;
    private prewarmMemoryMB;
    private peakMemoryMB;
    private readonly warningThresholdMB;
    constructor(warningThresholdMB?: number);
    private takeSnapshot;
    private bytesToMB;
    /** Record memory baseline after cache prewarm completes */
    recordPrewarmComplete(): void;
    /** Return current heap usage in megabytes */
    getCurrentMemoryMB(): number;
    /** Record memory before a check starts; returns the pre-check heap in MB */
    recordCheckStart(): number;
    /** Record memory after a check completes and return the check's memory profile */
    recordCheckComplete(checkId: string, memoryBeforeMB: number, violationCount: number, durationMs: number): CheckMemoryProfile;
    /** Check whether a memory delta exceeds the configured warning threshold */
    exceedsThreshold(deltaMB: number): boolean;
    /** Return the configured warning threshold in megabytes */
    getWarningThresholdMB(): number;
    /** Build and return an aggregated summary of all recorded check profiles */
    getSummary(): MemoryProfileSummary;
    /** Reset all recorded profiles and counters */
    reset(): void;
}
export {};
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