export declare type BrainwavesLabel = "raw" | "rawUnfiltered" | "powerByBand" | "psd";
export declare type AmplitudeByChannel = number[][];
export interface Epoch {
    data: AmplitudeByChannel;
    info: {
        samplingRate: number;
        startTime: number;
    };
}
export declare type PSDByChannel = number[][];
export interface PSD {
    psd: PSDByChannel;
    freqs: number[];
    info: {
        samplingRate: number;
        startTime: number;
    };
}
export declare type BandName = "gamma" | "beta" | "alpha" | "theta" | "delta";
export interface PowerByBand {
    gamma: number[];
    beta: number[];
    alpha: number[];
    theta: number[];
    delta: number[];
}