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# Adaptive Progressive
AP_EULER_A_END = "exs_ap_euler_a_end"
AP_DPM_2M_END = "exs_ap_dpm_2m_end"
AP_ANCESTRAL_ETA = "exs_ap_ancestral_eta"
AP_DETAIL_STRENGTH = "exs_ap_detail_strength"

# Langevin Euler
LANGEVIN_STRENGTH = "exs_langevin_strength"

# Extended Reverse-Time
ER_MAX_STAGE = "er_max_stage"

# Gradient Estimation
GE_GAMMA = "ge_gamma"
GE_GAMMA_OFFSET = "ge_gamma_offset"
GE_USE_ADAPTIVE_STEPS = "ge_use_adaptive_steps"
GE_USE_TIMESTEP_ADAPTIVE_GAMMA = "ge_use_timestep_adaptive_gamma"
GE_VALIDATE_SCHEDULE = "ge_validate_schedule"

GE_DEFAULT_GAMMA = 2.0
GE_MIN_GAMMA = 1.0
GE_MAX_GAMMA = 3.0
GE_DEFAULT_GAMMA_OFFSET = 0.0
GE_MIN_GAMMA_OFFSET = -1.0
GE_MAX_GAMMA_OFFSET = 1.0