Method isReadOnly

java/jakarta/el/MapELResolver.java:107–117

(ELContext context, Object base, Object property)

    }

    @Override
    public boolean isReadOnly(ELContext context, Object base, Object property) {
        Objects.requireNonNull(context);

        if (base instanceof Map<?,?>) {
            context.setPropertyResolved(base, property);
            return this.readOnly || UNMODIFIABLE.equals(base.getClass());
        }

        return this.readOnly;
    }

    @Override
    public Class<?> getCommonPropertyType(ELContext context, Object base) {