/**
 * # GBFS Alerts Schema V2.3, V2.2, V2.1, OR V2.0
 * Describes ad-hoc changes to the system.
 *
 * ## Links
 * - [GBFS Specification V2.3](https://github.com/MobilityData/gbfs/blob/v2.3/gbfs.md#system_alertsjson)
 * - [GBFS Specification V2.2](https://github.com/MobilityData/gbfs/blob/v2.2/gbfs.md#system_alertsjson)
 * - [GBFS Specification V2.1](https://github.com/MobilityData/gbfs/blob/v2.1/gbfs.md#system_alertsjson)
 * - [GBFS Specification V2.0](https://github.com/MobilityData/gbfs/blob/v2.0/gbfs.md#system_alertsjson)
 */
export type GBFSSystemAlertsV2 = GBFSSystemAlertsV23 | GBFSSystemAlertsV22 | GBFSSystemAlertsV21 | GBFSSystemAlertsV20;
/**
 * # GBFS System Alerts Schema V2.3
 * Describes ad-hoc changes to the system.
 *
 * ## Links
 * - [GBFS Specification](https://github.com/MobilityData/gbfs/blob/v2.3/gbfs.md#system_alertsjson)
 */
export declare const gbfsSystemAlertsSchemaV23: {
    $schema: string;
    $id: string;
    description: string;
    type: string;
    properties: {
        last_updated: {
            description: string;
            type: string;
            minimum: number;
        };
        ttl: {
            description: string;
            type: string;
            minimum: number;
        };
        version: {
            description: string;
            type: string;
            const: string;
        };
        data: {
            description: string;
            type: string;
            properties: {
                alerts: {
                    type: string;
                    items: {
                        type: string;
                        properties: {
                            alert_id: {
                                description: string;
                                type: string;
                            };
                            type: {
                                description: string;
                                type: string;
                                enum: string[];
                            };
                            times: {
                                description: string;
                                type: string;
                                items: {
                                    type: string;
                                    properties: {
                                        start: {
                                            description: string;
                                            type: string;
                                            minimum: number;
                                        };
                                        end: {
                                            description: string;
                                            type: string;
                                            minimum: number;
                                        };
                                    };
                                };
                                additionalItems: boolean;
                                required: string[];
                            };
                            station_ids: {
                                description: string;
                                type: string;
                                items: {
                                    type: string;
                                };
                            };
                            region_ids: {
                                description: string;
                                type: string;
                                items: {
                                    type: string;
                                };
                            };
                            url: {
                                description: string;
                                type: string;
                                format: string;
                            };
                            summary: {
                                description: string;
                                type: string;
                            };
                            description: {
                                description: string;
                                type: string;
                            };
                            last_updated: {
                                description: string;
                                type: string;
                                minimum: number;
                            };
                        };
                        required: string[];
                    };
                };
            };
            required: string[];
        };
    };
    required: string[];
};
/**
 * # GBFS System Alerts V2.3
 * Describes ad-hoc changes to the system.
 *
 * ## Links
 * - [GBFS Specification](https://github.com/MobilityData/gbfs/blob/v2.3/gbfs.md#system_alertsjson)
 */
export interface GBFSSystemAlertsV23 {
    /**
     * Last time the data in the feed was updated in POSIX time.
     * **Minimum**: 1450155600
     */
    last_updated: number;
    /**
     * Number of seconds before the data in the feed will be updated again (0 if the data should always be refreshed).
     * **Minimum**: 0
     */
    ttl: number;
    /**
     * GBFS version number to which the feed conforms, according to the versioning framework.
     * **Const**: 2.3
     */
    version: '2.3';
    /**
     * Contains system alerts data.
     */
    data: {
        /**
         * Array of alerts for the system.
         */
        alerts: Array<{
            alert_id: string;
            type: 'system_closure' | 'station_closure' | 'station_move' | 'other';
            times?: Array<{
                start: number;
                end?: number;
            }>;
            station_ids?: string[];
            region_ids?: string[];
            url?: string;
            summary: string;
            description?: string;
            last_updated?: number;
        }>;
    };
}
/**
 * # GBFS System Alerts Schema V2.2
 * Describes ad-hoc changes to the system.
 *
 * ## Links
 * - [GBFS Specification](https://github.com/MobilityData/gbfs/blob/v2.2/gbfs.md#system_alertsjson)
 */
export declare const gbfsSystemAlertsSchemaV22: {
    $schema: string;
    $id: string;
    description: string;
    type: string;
    properties: {
        last_updated: {
            description: string;
            type: string;
            minimum: number;
        };
        ttl: {
            description: string;
            type: string;
            minimum: number;
        };
        version: {
            description: string;
            type: string;
            const: string;
        };
        data: {
            description: string;
            type: string;
            properties: {
                alerts: {
                    type: string;
                    items: {
                        type: string;
                        properties: {
                            alert_id: {
                                description: string;
                                type: string;
                            };
                            type: {
                                description: string;
                                type: string;
                                enum: string[];
                            };
                            times: {
                                description: string;
                                type: string;
                                items: {
                                    type: string;
                                    properties: {
                                        start: {
                                            description: string;
                                            type: string;
                                            minimum: number;
                                        };
                                        end: {
                                            description: string;
                                            type: string;
                                            minimum: number;
                                        };
                                    };
                                };
                                additionalItems: boolean;
                                required: string[];
                            };
                            station_ids: {
                                description: string;
                                type: string;
                                items: {
                                    type: string;
                                };
                            };
                            region_ids: {
                                description: string;
                                type: string;
                                items: {
                                    type: string;
                                };
                            };
                            url: {
                                description: string;
                                type: string;
                                format: string;
                            };
                            summary: {
                                description: string;
                                type: string;
                            };
                            description: {
                                description: string;
                                type: string;
                            };
                            last_updated: {
                                description: string;
                                type: string;
                                minimum: number;
                            };
                        };
                        required: string[];
                    };
                };
            };
            required: string[];
        };
    };
    required: string[];
};
/**
 * # GBFS System Alerts V2.2
 * Describes ad-hoc changes to the system.
 *
 * ## Links
 * - [GBFS Specification](https://github.com/MobilityData/gbfs/blob/v2.2/gbfs.md#system_alertsjson)
 */
export interface GBFSSystemAlertsV22 {
    /**
     * Last time the data in the feed was updated in POSIX time.
     * **Minimum**: 1450155600
     */
    last_updated: number;
    /**
     * Number of seconds before the data in the feed will be updated again (0 if the data should always be refreshed).
     * **Minimum**: 0
     */
    ttl: number;
    /**
     * GBFS version number to which the feed conforms, according to the versioning framework.
     * **Const**: 2.2
     */
    version: '2.2';
    /**
     * Contains system alerts data.
     */
    data: {
        /**
         * Array of alerts for the system.
         */
        alerts: Array<{
            alert_id: string;
            type: 'system_closure' | 'station_closure' | 'station_move' | 'other';
            times?: Array<{
                start: number;
                end?: number;
            }>;
            station_ids?: string[];
            region_ids?: string[];
            url?: string;
            summary: string;
            description?: string;
            last_updated?: number;
        }>;
    };
}
/**
 * # GBFS System Alerts Schema V2.1
 * Describes ad-hoc changes to the system.
 *
 * ## Links
 * - [GBFS Specification](https://github.com/MobilityData/gbfs/blob/v2.1/gbfs.md#system_alertsjson)
 */
export declare const gbfsSystemAlertsSchemaV21: {
    $schema: string;
    $id: string;
    description: string;
    type: string;
    properties: {
        last_updated: {
            description: string;
            type: string;
            minimum: number;
        };
        ttl: {
            description: string;
            type: string;
            minimum: number;
        };
        version: {
            description: string;
            type: string;
            const: string;
        };
        data: {
            description: string;
            type: string;
            properties: {
                alerts: {
                    type: string;
                    items: {
                        type: string;
                        properties: {
                            alert_id: {
                                description: string;
                                type: string;
                            };
                            type: {
                                description: string;
                                type: string;
                                enum: string[];
                            };
                            times: {
                                description: string;
                                type: string;
                                items: {
                                    type: string;
                                    properties: {
                                        start: {
                                            description: string;
                                            type: string;
                                            minimum: number;
                                        };
                                        end: {
                                            description: string;
                                            type: string;
                                            minimum: number;
                                        };
                                    };
                                };
                                additionalItems: boolean;
                                required: string[];
                            };
                            station_ids: {
                                description: string;
                                type: string;
                                items: {
                                    type: string;
                                };
                            };
                            region_ids: {
                                description: string;
                                type: string;
                                items: {
                                    type: string;
                                };
                            };
                            url: {
                                description: string;
                                type: string;
                                format: string;
                            };
                            summary: {
                                description: string;
                                type: string;
                            };
                            description: {
                                description: string;
                                type: string;
                            };
                            last_updated: {
                                description: string;
                                type: string;
                                minimum: number;
                            };
                        };
                        required: string[];
                    };
                };
            };
            required: string[];
        };
    };
    required: string[];
};
/**
 * # GBFS System Alerts V2.1
 * Describes ad-hoc changes to the system.
 *
 * ## Links
 * - [GBFS Specification](https://github.com/MobilityData/gbfs/blob/v2.1/gbfs.md#system_alertsjson)
 */
export interface GBFSSystemAlertsV21 {
    /**
     * Last time the data in the feed was updated in POSIX time.
     * **Minimum**: 1450155600
     */
    last_updated: number;
    /**
     * Number of seconds before the data in the feed will be updated again (0 if the data should always be refreshed).
     * **Minimum**: 0
     */
    ttl: number;
    /**
     * GBFS version number to which the feed conforms, according to the versioning framework.
     * **Const**: 2.1
     */
    version: '2.1';
    /**
     * Contains system alerts data.
     */
    data: {
        /**
         * Array of alerts for the system.
         */
        alerts: Array<{
            alert_id: string;
            type: 'system_closure' | 'station_closure' | 'station_move' | 'other';
            times?: Array<{
                start: number;
                end?: number;
            }>;
            station_ids?: string[];
            region_ids?: string[];
            url?: string;
            summary: string;
            description?: string;
            last_updated?: number;
        }>;
    };
}
/**
 * # GBFS System Alerts Schema V2.0
 * Describes ad-hoc changes to the system.
 *
 * ## Links
 * - [GBFS Specification](https://github.com/MobilityData/gbfs/blob/v2.0/gbfs.md#system_alertsjson)
 */
export declare const gbfsSystemAlertsSchemaV20: {
    $schema: string;
    $id: string;
    description: string;
    type: string;
    properties: {
        last_updated: {
            description: string;
            type: string;
            minimum: number;
        };
        ttl: {
            description: string;
            type: string;
            minimum: number;
        };
        version: {
            description: string;
            type: string;
            const: string;
        };
        data: {
            description: string;
            type: string;
            properties: {
                alerts: {
                    type: string;
                    items: {
                        type: string;
                        properties: {
                            alert_id: {
                                description: string;
                                type: string;
                            };
                            type: {
                                description: string;
                                type: string;
                                enum: string[];
                            };
                            times: {
                                description: string;
                                type: string;
                                items: {
                                    type: string;
                                    properties: {
                                        start: {
                                            description: string;
                                            type: string;
                                            minimum: number;
                                        };
                                        end: {
                                            description: string;
                                            type: string;
                                            minimum: number;
                                        };
                                    };
                                };
                                additionalItems: boolean;
                                required: string[];
                            };
                            station_ids: {
                                description: string;
                                type: string;
                                items: {
                                    type: string;
                                };
                            };
                            region_ids: {
                                description: string;
                                type: string;
                                items: {
                                    type: string;
                                };
                            };
                            url: {
                                description: string;
                                type: string;
                                format: string;
                            };
                            summary: {
                                description: string;
                                type: string;
                            };
                            description: {
                                description: string;
                                type: string;
                            };
                            last_updated: {
                                description: string;
                                type: string;
                                minimum: number;
                            };
                        };
                        required: string[];
                    };
                };
            };
            required: string[];
        };
    };
    required: string[];
};
/**
 * # GBFS System Alerts V2.0
 * Describes ad-hoc changes to the system.
 *
 * ## Links
 * - [GBFS Specification](https://github.com/MobilityData/gbfs/blob/v2.0/gbfs.md#system_alertsjson)
 */
export interface GBFSSystemAlertsV20 {
    /**
     * Last time the data in the feed was updated in POSIX time.
     * **Minimum**: 1450155600
     */
    last_updated: number;
    /**
     * Number of seconds before the data in the feed will be updated again (0 if the data should always be refreshed).
     * **Minimum**: 0
     */
    ttl: number;
    /**
     * GBFS version number to which the feed conforms, according to the versioning framework.
     * **Const**: 2.0
     */
    version: '2.0';
    /**
     * Contains system alerts data.
     */
    data: {
        /**
         * Array of alerts for the system.
         */
        alerts: Array<{
            alert_id: string;
            type: 'SYSTEM_CLOSURE' | 'STATION_CLOSURE' | 'STATION_MOVE' | 'OTHER';
            times?: Array<{
                start: number;
                end?: number;
            }>;
            station_ids?: string[];
            region_ids?: string[];
            url?: string;
            summary: string;
            description?: string;
            last_updated?: number;
        }>;
    };
}
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