{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "id" : "https://raw.githubusercontent.com/common-workflow-language/common-workflow-language/draft-1/schemas/metaschema.json",
    "description": "Meta-schema for describing tool inputs and outputs",
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            "minItems": 1,
            "items": { "$ref": "#" }
        },
        "positiveInteger": {
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        },
        "positiveIntegerDefault0": {
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        },
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            "uniqueItems": true
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            "properties": {
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                "size": { "type": "number" },
                "checksum": { "type": "string" },
                "metadata": { "type": "object" }
            }
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            "required": ["path"],
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                "size": { "type": "number" },
                "checksum": { "type": "string" },
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                    "items": { "$ref": "#/definitions/secondaryFile" }
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            }
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        "$job": {
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            "required": ["$job"],
            "properties": {
                "$job": { "type": "string" }
            }
        }
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            "minimum": 0,
            "exclusiveMinimum": true
        },
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        "minimum": {
            "type": "number"
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            "type": "boolean",
            "default": false
        },
        "maxLength": { "$ref": "#/definitions/positiveInteger" },
        "minLength": { "$ref": "#/definitions/positiveIntegerDefault0" },
        "pattern": {
            "type": "string",
            "format": "regex"
        },
        "items": {
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                { "$ref": "#" },
                { "$ref": "#/definitions/schemaArray" }
            ],
            "default": {}
        },
        "maxItems": { "$ref": "#/definitions/positiveInteger" },
        "minItems": { "$ref": "#/definitions/positiveIntegerDefault0" },
        "uniqueItems": {
            "type": "boolean",
            "default": false
        },
        "maxProperties": { "$ref": "#/definitions/positiveInteger" },
        "minProperties": { "$ref": "#/definitions/positiveIntegerDefault0" },
        "required": {
            "anyOf": [
                { "$ref": "#/definitions/stringArray" },
                { "$type": "boolean" }
            ]
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        "definitions": {
            "type": "object",
            "default": {}
        },
        "properties": {
            "type": "object",
            "default": {}
        },
        "dependencies": {
            "type": "object"
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        "enum": {
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            "uniqueItems": true
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        "type": {
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                {
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                    "items": { "$ref": "#/definitions/simpleTypes" },
                    "minItems": 1,
                    "uniqueItems": true
                }
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        },
        "oneOf": { "$ref": "#/definitions/schemaArray" }
    },
    "dependencies": {
        "exclusiveMaximum": [ "maximum" ],
        "exclusiveMinimum": [ "minimum" ]
    },
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        "properties": {
            "prefix": { "type": "string" },
            "order": { "type": "integer" },
            "separator": { "type": "string" },
            "itemSeparator": { "type": "string" },
            "streamable": { "type": "boolean" },
            "glob": { "type": "string" }
        }
    },
    "default": {}
}