/**
 * Draw the stacked frame-time sparkline (update + draw).
 * @param {HTMLCanvasElement} canvas
 * @param {Float32Array} updateHistory
 * @param {Float32Array} drawHistory
 * @param {number} historyIndex - current write position in the ring buffer
 * @param {HTMLElement} peakEl - element to display peak value
 */
export function drawFrameGraph(canvas: HTMLCanvasElement, updateHistory: Float32Array, drawHistory: Float32Array, historyIndex: number, peakEl: HTMLElement): void;
/**
 * Draw the memory heap area graph.
 * @param {HTMLCanvasElement} canvas
 * @param {Float32Array} memHistory - heap usage in MB
 * @param {number} historyIndex - current write position in the ring buffer
 * @param {HTMLElement} peakEl - element to display peak value
 */
export function drawMemGraph(canvas: HTMLCanvasElement, memHistory: Float32Array, historyIndex: number, peakEl: HTMLElement): void;
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