export interface Expressions { attention: number browFurrow: number browRaise: number cheekRaise: number chinRaise: number dimpler: number eyeClosure: number eyeWiden: number innerBrowRaise: number jawDrop: number lidTighten: number lipCornerDepressor: number lipPress: number lipPucker: number lipStretch: number lipSuck: number mouthOpen: number noseWrinkle: number smile: number smirk: number upperLipRaise: number } export interface Emotions { anger: number contempt: number disgust: number engagement: number fear: number joy: number sadness: number surprise: number valence: number } export interface Biometrics { pulse?: number interocularDistance: number pitch: number roll: number yaw: number } export type ExpressionType = keyof Expressions export type EmotionsType = keyof Emotions export type BiometricsType = keyof Biometrics export type SignalType = ExpressionType | EmotionsType | BiometricsType