export declare function renderHeatmap(input: HTMLCanvasElement, output: HTMLCanvasElement, data: number[][]): Promise<void>;
/**
 * Render pose XAI visualization by drawing keypoints with colors indicating importance
 * @param input Original canvas with the pose image
 * @param output Canvas where the visualization will be rendered
 * @param keypoints Array of detected keypoints
 * @param featureImportance Array of importance values for each feature in the pose output
 * @param minConfidence Minimum confidence to draw a keypoint
 */
export declare function renderPoseXAI(input: HTMLCanvasElement, output: HTMLCanvasElement, keypoints: any[], featureImportance: Float32Array, minConfidence?: number): void;