class ASM3 {

  kin_params = {
    // kinetic parameters (20 C for now)

    // Hydrolysis
    k_H:      3.,   // hydrolysis rate constant       [g X_S g-1 X_H d-1]
    K_x:      1.,   // hydrolysis saturation constant [g X_S g-1 X_H] 
    // Heterotrophs
    k_STO:    5.,   // storage rate constant          [g S_S g-1 X_H d-1]
    nu_NO:    0.6,  // Anoxic reduction factor        [-]
    K_O:      0.2,  // Saturation constant S_0        [g O2 m-3]
    K_NO:     0.5,  // Saturation constant S_NO       [g NO3-N m-3]
    K_S:      2.,   // Saturation constant S_s        [g COD m-3]
    K_STO:    1.,   // Saturation constant X_STO      [g X_STO g-1 X_H]
    mu_H:     2.,
    K_NH:     0.01,
    K_HCO:    0.1,
    b_H_O2:   0.2,
    b_H_NO:   0.1,
    b_STO_O2: 0.2,
    b_STO_NO: 0.1,
    // Autotrophs
    mu_A:     1.0,
    K_A_NH:   1.,
    K_A_O:    0.5,
    K_A_HCO:  0.5,
    b_A_O2:   0.15,
    b_A_NO:   0.05
  }


  constructor() {
  }

  compute_rates(state) {
    const rates = new Array(12);
    rates[0] = this.parameters[]
    return rates;
  }
}