import { BenchmarkResult } from './index';
import { default as baseline } from './baselines/v1.15.0.json';

export interface Stage1ScenarioResult {
    id: string;
    benchmark: BenchmarkResult;
    passed: boolean;
    failures: string[];
    baselineMinFps?: number;
}
export interface Stage1BrowserReport {
    timestamp: number;
    version: string;
    scenarios: Stage1ScenarioResult[];
    allPassed: boolean;
    regressionThreshold: number;
}
export interface BaselineScenario {
    minAvgFps?: number;
    maxAvgFrameTimeMs?: number;
    maxAvgFrameUs?: number;
    dpr?: number;
    points?: number;
    description?: string;
}
/** When wall-clock frame count is below this, headless rAF is unreliable — use renderFps. */
export declare const HEADLESS_LOW_FRAME_THRESHOLD = 30;
/** Headless smoke floors (renderFps or effective FPS). Desktop uses baseline minAvgFps. */
export declare const SMOKE_FLOORS: Record<string, number>;
/** Pick wall or render FPS depending on headless throttling artifacts. */
export declare function effectiveBenchmarkFps(result: Pick<BenchmarkResult, "avgFps" | "renderFps" | "frameCount">, isHeadless: boolean): number;
export declare function getBaseline(): typeof baseline;
/** Compare a benchmark result against v1.15 baseline for a scenario */
export declare function compareScenarioToBaseline(scenarioId: string, result: BenchmarkResult | {
    avgFrameUs: number;
    backend?: string;
}): {
    passed: boolean;
    failures: string[];
};
/** Build a full Stage 1 report from scenario results */
export declare function buildStage1Report(scenarios: Stage1ScenarioResult[]): Stage1BrowserReport;