added support for completions with usage

[jdx]

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[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -0.13%	✅ 72.55%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (2023664)	16621	13990	84.17%
Head commit (a9ef7e0)	16722 (+101)	14053 (+63)	84.04% (-0.13%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#1652)	102	74	72.55%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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_{You may notice some variations in coverage metrics with the latest Coverage engine update. For more details, visit the documentation}