pub trait SimpleWB: SimpleWBConst + WhiteBalancer {
fn as_raw_mut_SimpleWB(&mut self) -> *mut c_void;
fn set_input_min(&mut self, val: f32) -> Result<()> { ... }
fn set_input_max(&mut self, val: f32) -> Result<()> { ... }
fn set_output_min(&mut self, val: f32) -> Result<()> { ... }
fn set_output_max(&mut self, val: f32) -> Result<()> { ... }
fn set_p(&mut self, val: f32) -> Result<()> { ... }
}