@Override
    public BoolConstant visitBool_value(@NotNull SiddhiQLParser.Bool_valueContext ctx) {

        BoolConstant boolConstant = Expression.value("true".equalsIgnoreCase(ctx.getText()));
        populateQueryContext(boolConstant, ctx);
        return boolConstant;
    }
{@inheritDoc}
<p>The default implementation returns the result of calling
{@link #visitChildren} on {@code ctx}.</p>

@param ctx
modules/siddhi-query-compiler/src/main/java/io/siddhi/query/compiler/internal/SiddhiQLBaseVisitorImpl.java