refactor: flatten the methods in `Client` (#1914) #225

Job	Run time
checks / readme-snippets	14s
checks / pre-commit	35s
checks / test (3.10, lowest-direct, ubuntu-latest)	45s
checks / test (3.11, lowest-direct, windows-latest)	2m 25s
checks / test (3.11, locked, windows-latest)	2m 29s
checks / test (3.10, lowest-direct, windows-latest)	2m 19s
checks / test (3.11, locked, ubuntu-latest)	44s
checks / test (3.11, lowest-direct, ubuntu-latest)	49s
checks / test (3.12, lowest-direct, windows-latest)	3m 28s
checks / test (3.13, locked, windows-latest)	3m 33s
checks / test (3.14, locked, ubuntu-latest)	2m 16s
checks / test (3.10, locked, ubuntu-latest)	48s
checks / test (3.14, lowest-direct, windows-latest)	2m 33s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 10s
checks / test (3.12, lowest-direct, ubuntu-latest)	51s
checks / test (3.10, locked, windows-latest)	2m 22s
checks / test (3.12, locked, windows-latest)	3m 27s
checks / test (3.13, lowest-direct, windows-latest)	2m 11s
checks / test (3.12, locked, ubuntu-latest)	52s
checks / test (3.13, locked, ubuntu-latest)	44s
checks / test (3.14, locked, windows-latest)	3m 14s
checks / test (3.13, lowest-direct, ubuntu-latest)	42s
all-green	2s
	38m 33s

Provide feedback