FluxFillPipeline  
The Flux Fill pipeline for image inpainting/outpainting.  
Reference: https://blackforestlabs.ai/flux-1-tools/  
Args:
transformer ([`FluxTransformer2DModel`]):
Conditional Transformer (MMDiT) architecture to denoise the encoded image latents.
scheduler ([`FlowMatchEulerDiscreteScheduler`]):
A scheduler to be used in combination with `transformer` to denoise the encoded image latents.
vae ([`AutoencoderKL`]):