add definition for the output of fitting and model #4476

Job	Run time
Build source distribution	21s
determine-arm64-runner	1s
Build wheels for cp311-manylinux_x86_64	5m 15s
Build wheels for cp311-manylinux_x86_64	5m 11s
Build wheels for cp311-macosx_x86_64	6m 14s
Build wheels for cp311-macosx_arm64	6m 21s
Build wheels for cp311-win_amd64	6m 30s
Build wheels for cp310-manylinux_aarch64	4m 18s
build_pypi_index	9s
build_docker (12)	2m 39s
build_docker (_cu11, 11)	2m 51s
upload_pypi	0s
deploy_pypi_index	0s
Pass testing build wheels	6s
	39m 56s

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