import torch
from torch import nn

class DummySRModel(nn.Module):
    """
    A basic SRCNN-like super-resolution model for demonstration.
    Structure: (Optional CNN+PixelShuffle Upsample) -> Conv(9x9) -> ReLU -> Conv(5x5) -> ReLU -> Conv(5x5)
    """
    def __init__(self, in_channels=1, out_channels=1, super_resolution=1):
       pass

    def forward(self, x):
        pass