our $is_Attachment = hash {
field blobId => $JMAP::Validation::Checks::String::is_string;
field type => $JMAP::Validation::Checks::String::is_string;
field name => $JMAP::Validation::Checks::String::is_string_or_null;
field size => $JMAP::Validation::Checks::Number::is_number;
field cid => $JMAP::Validation::Checks::String::is_string_or_null;
field isInline => $JMAP::Validation::Checks::Boolean::is_boolean;
field width => in_set($JMAP::Validation::Checks::Number::is_number, U());
field height => in_set($JMAP::Validation::Checks::Number::is_number, U());
};
1;