Grammar Documentation for node type "RestrictedProperty"
This is a node specifying the usage of a restricted property, hence a property from Schema.org that has syntactic and semantic constraints.
$type
Required. Has always the string "RestrictedProperty" as value.
Based on "@type" from JSON-LD (Indicates the type of the node/object). This value is a short form for the URI identifying this node type in the DS grammar.
$property
Required. Has always a string as value.
Indicates the property from Schema.org which is referenced here. The property is specified in a short form instead of the URI ("name" instead of "https://schema.org/name").
expectedTypes
Required. Has always an array as value.
Specifies the allowed classes and data types for this property. The values in this array must have one of the following $types:
RestrictedClass
Class
RestrictedEnumeration
Enumeration
DataType
cardinality
Optional. Has always a string (numeric pattern) as value.
Specifies the allowed cardinality for this property. This numeric pattern has an own grammar to specify the allowed cardinality. See document "numericPattern_docu.md" for details. Examples:
"1-3" -> property must have at least 1 value and max. 3 values.
"(%2 & >5)" -> property must have values in a quantity that is a multiple of 2, and bigger than 5.
The default pattern for cardinality is ">=0" (0 or more), as suggested by Schema.org, and is handled as such, if the option is not used.
uniqueValues
Optional. Has a boolean as value.
Indicates if the values of this property can be equivalent to each other or not. Note that different data types may have the same "value"; A string with "true" is handled as equivalent to a boolean true. (discussion: should the data type also be the same?).
By default "uniqueValues" is set to false, and is handled as such if the option is not used.
name
Optional. Has always a string as value.
Same as the property "name" from Schema.org (meta information about the entity).
description
Optional. Has always a string as value.
Same as the property "description" from Schema.org (meta information about the entity).
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