boolean (GrStringInjection injection) { final GrClosableBlock block = injection.getClosableBlock(); if (block == null) return false; final GrStatement[] statements = block.getStatements(); if (statements.length != 1) return false; if (!(statements[0] instanceof GrReferenceExpression)) return false; return checkBraceIsUnnecessary(statements[0], injection.getNextSibling()); }