Bug 40557 quick fix: improve return type guessing
3.0 M2 class A { private boolean foo() { return f(1) || f(2); } } quich fix should be able to figure out that i want 'f' to be a boolean method
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/UnresolvedMethodsQuickFixTest.java
buf.append("        return 0;\n");
		buf.append("    }\n");		
		buf.append("}\n");
		assertEqualString(preview, buf.toString());
	}
	public void testMethodSpacing2EmptyLines() throws Exception {
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("import java.util.Vector;\n");
		buf.append("public class E {\n");
		buf.append("\n");
		buf.append("    void fred() {\n");
		buf.append("    }\n");
		buf.append("    \n");
		buf.append("    \n");
		buf.append("    void foo(Vector vec) {\n");
		buf.append("        int i= goo(vec, true);\n");
		buf.append("    }\n");
		buf.append("}\n");
		ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
		
		CompilationUnit astRoot= AST.parseCompilationUnit(cu, true);
		ArrayList proposals= collectCorrections(cu, astRoot);
		assertNumberOf("proposals", proposals.size(), 1);
		assertCorrectLabels(proposals);
		NewMethodCompletionProposal proposal= (NewMethodCompletionProposal) proposals.get(0);
		String preview= proposal.getCompilationUnitChange().getPreviewContent();
		buf= new StringBuffer();
		buf.append("package test1;\n");