296     return Error::None;  in createVirtualDisplay()
302     return Error::None;  in destroyVirtualDisplay()
345         return Error::None;  in registerCallback()
355     return Error::None;  in registerCallback()
447     return Error::None;  in acceptChanges()
459     return Error::None;  in createLayer()
483     return Error::None;  in destroyLayer()
499     return Error::None;  in getActiveConfig()
515     return Error::None;  in getDisplayAttribute()
531         return Error::None;  in getChangedCompositionTypes()
548     return Error::None;  in getChangedCompositionTypes()
558         return Error::None;  in getColorModes()
566     return Error::None;  in getColorModes()
576         return Error::None;  in getConfigs()
587     return Error::None;  in getConfigs()
594     return Error::None;  in getDozeSupport()
603     return Error::None;  in getHdrCapabilities()
612         return Error::None;  in getName()
616     return Error::None;  in getName()
639     return Error::None;  in getReleaseFences()
654         return Error::None;  in getRequests()
671     return Error::None;  in getRequests()
679     return Error::None;  in getType()
720             return Error::None;  in present()
827     return Error::None;  in present()
841         return Error::None;  in setActiveConfig()
845     return Error::None;  in setActiveConfig()
859     return Error::None;  in setClientTarget()
869         return Error::None;  in setColorMode()
877     return Error::None;  in setColorMode()
891     return Error::None;  in setColorTransform()
898     return Error::None;  in setOutputBuffer()
919         return Error::None;  in setPowerMode()
926     return Error::None;  in setPowerMode()
944         return Error::None;  in setVsyncEnabled()
950     return Error::None;  in setVsyncEnabled()
1018     return *outNumTypes > 0 ? Error::HasChanges : Error::None;  in validate()
1038                 return Error::None;  in updateLayerZ()
1054     return Error::None;  in updateLayerZ()
1070         return Error::None;  in getClientTargetSupport()
1073     return Error::None;  in getClientTargetSupport()
1225     mBlendMode(BlendMode::None),  in Layer()
1232     mTransform(Transform::None),
1243     return Error::None;  in setBuffer()
1254     return Error::None;  in setCursorPosition()
1260     return Error::None;  in setSurfaceDamage()
1268     return Error::None;  in setBlendMode()
1274     return Error::None;  in setColor()
1280     return Error::None;  in setCompositionType()
1285     return Error::None;  in setDataspace()
1291     return Error::None;  in setDisplayFrame()
1297     return Error::None;  in setPlaneAlpha()
1303     return Error::None;  in setSidebandStream()
1309     return Error::None;  in setSourceCrop()
1315     return Error::None;  in setTransform()
1333     return Error::None;  in setVisibleRegion()
1339     return Error::None;  in setZ()
1392     return std::make_tuple(layer.get(), Error::None);  in getLayer()