1a5f9918aSopenharmony_ci"Root flow 2a5f9918aSopenharmony_ci scalar" 3a5f9918aSopenharmony_ci--- !!str > 4a5f9918aSopenharmony_ci Root block 5a5f9918aSopenharmony_ci scalar 6a5f9918aSopenharmony_ci--- 7a5f9918aSopenharmony_ci# Root collection: 8a5f9918aSopenharmony_cifoo : bar 9a5f9918aSopenharmony_ci... # Is optional. 10a5f9918aSopenharmony_ci--- 11a5f9918aSopenharmony_ci# Explicit document may be empty. 12