class DropFunction extends Statement {

    private final QualifiedName name;
    private final boolean exists;
    private final List<FunctionArgument> arguments;

    public DropFunction(QualifiedName name, boolean exists, List<FunctionArgument> arguments) {
        this.name = name;
        this.exists = exists;
        this.arguments = arguments;
    }

    public QualifiedName name() {
        return name;
    }

    public boolean exists() {
        return exists;
    }

    public List<FunctionArgument> arguments() {
        return arguments;
    }

    @Override
    public <R, C> R accept(AstVisitor<R, C> visitor, C context) {
        return visitor.visitDropFunction(this, context);
    }

    @Override
    public boolean equals(Object o) {<FILL_FUNCTION_BODY>}

    @Override
    public int hashCode() {
        int result = name.hashCode();
        result = 31 * result + (exists ? 1 : 0);
        result = 31 * result + arguments.hashCode();
        return result;
    }

    @Override
    public String toString() {
        return "DropFunction{" +
            "name=" + name +
            ", exists=" + exists +
            ", arguments=" + arguments +
            '}';
    }
}

        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        DropFunction that = (DropFunction) o;

        if (exists != that.exists) return false;
        if (!name.equals(that.name)) return false;
        return arguments.equals(that.arguments);
    
<methods>public non-sealed void <init>() ,public R accept(AstVisitor<R,C>, C) <variables>