protected BigDecimal resolveNumberExclusiveMaximum(MemberScope<?, ?> member) {
        return this.resolveNumberMaximum(member, ")");
    }
Determine (exclusive) numeric maximum for the given member or its associated getter/field from the {@link ApiModelProperty}'s annotation's
{@code allowedValues}.

@param member targeted field/method
@return exclusive numeric maximum (or {@code null})
jsonschema-module-swagger-1.5/src/main/java/com/github/victools/jsonschema/module/swagger15/SwaggerModule.java