question: @ Override public boolean test ( Object receiver , String property , Object [ ] args , Object expectedValue ) { if ( IS_TYPESCRIPT_PROJECT_PROPERTY . equals ( property ) ) { return testIsTypeScriptProject ( receiver ) ; } else if ( HAS_TYPESCRIPT_BUILDER_PROPERTY . equals ( property ) ) { return testHasTypeScriptBuilder ( receiver ) ; } else if ( CAN_ADD_TO_BUILDPATH_PROPERTY . equals ( property ) ) { return testCanAddToBuildPath ( receiver ) ; } else if ( CAN_REMOVE_TO_BUILDPATH_PROPERTY . equals ( property ) ) { return testCanRemoveToBuildPath ( receiver ) ; } else if ( CAN_RUN_COMPILE_PROPERTY . equals ( property ) ) { return testCanRunCompile ( receiver ) ; } return false ; }
target:  Tests if the receiver object is a project is a TypeScript project