private static final NSString DEFAULT_SHELL_SCRIPT = new NSString("");

    public PBXShellScriptBuildPhase() {
        this.inputPaths = new ArrayList<>();
        this.outputPaths = new ArrayList<>();
    }

    @Override
    public String isa() {
        return "PBXShellScriptBuildPhase";
    }

    /**
     * Returns the list (possibly empty) of files passed as input to the shell script.

Accessors for org.gradle.ide.xcode.internal.xcodeproj.PBXReference.path don't use symmetrical @Nullable
Accessors for org.gradle.ide.xcode.internal.xcodeproj.PBXShellScriptBuildPhase.shellPath don't use symmetrical @Nullable
Accessors for org.gradle.ide.xcode.internal.xcodeproj.PBXShellScriptBuildPhase.shellScript don't use symmetrical @Nullable
Accessors for org.gradle.ide.xcode.internal.xcodeproj.PBXTarget.productName don't use symmetrical @Nullable

    }

    private PBXTarget toXCTestPbxTarget(XcodeTarget xcodeTarget) {
        PBXShellScriptBuildPhase hackBuildPhase = new PBXShellScriptBuildPhase();
        hackBuildPhase.setShellPath("/bin/sh");
        hackBuildPhase.setShellScript("# Script to generate specific Swift files Xcode expects when running tests.\n"
            + "set -eu\n"

Class <org.gradle.ide.xcode.internal.xcodeproj.PBXShellScriptBuildPhase> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (PBXShellScriptBuildPhase.java:0)