/**
 * Heap-baseline snapshot stored beside each test file as
 * `<name>.test.heap-baseline.json`. Keyed by chip (e.g. "esp32c6", "host")
 * because heap deltas differ across pointer size, native module availability,
 * and sdkconfig defaults. Committed to the repo; diffs show up in PR review.
 */
export interface HeapBaselineFile {
    [chip: string]: {
        heapDelta: number;
    };
}
export declare function baselineFilePath(testFile: string): string;
export declare function readBaseline(testFile: string, chip: string): number | undefined;
export declare function writeBaseline(testFile: string, chip: string, heapDelta: number): void;
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