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 declare type ExpressionType = keyof Expressions;
export declare type EmotionsType = keyof Emotions;
export declare type BiometricsType = keyof Biometrics;
export declare type SignalType = ExpressionType | EmotionsType | BiometricsType;