{ "$schema": "http://json-schema.org/draft-07/schema#", "allOf": [ { "$ref": "../base-cf.schema.json#/defs/baseSpecification" }, { "properties": { "implementation": { "const": "SizeSpecification" }, "fields": { "type": "object", "properties": { "min": { "type": "integer" }, "max": { "type": "integer", "minimum": 1 } }, "required": ["min", "max"], "additionalProperties": false } }, "required": ["implementation", "fields"] } ] }