/**
 * EACL (Extended Access Control List) enums.
 */
/**
 * Action to take when a rule matches.
 */
export declare enum Action {
    /** Unspecified action */
    UNSPECIFIED = 0,
    /** Allow the operation */
    ALLOW = 1,
    /** Deny the operation */
    DENY = 2
}
/**
 * Operation type for access control.
 */
export declare enum Operation {
    /** Unspecified operation */
    UNSPECIFIED = 0,
    /** ObjectService.Get RPC */
    GET = 1,
    /** ObjectService.Head RPC */
    HEAD = 2,
    /** ObjectService.Put RPC */
    PUT = 3,
    /** ObjectService.Delete RPC */
    DELETE = 4,
    /** ObjectService.Search RPC */
    SEARCH = 5,
    /** ObjectService.GetRange RPC */
    RANGE = 6,
    /** ObjectService.GetRangeHash RPC */
    RANGE_HASH = 7
}
/**
 * Role of the subject requesting access.
 */
export declare enum Role {
    /** Unspecified role */
    UNSPECIFIED = 0,
    /** Container owner */
    USER = 1,
    /** Storage/IR nodes (deprecated) */
    SYSTEM = 2,
    /** Anyone else */
    OTHERS = 3
}
/**
 * Match type for filters.
 */
export declare enum Match {
    /** Unspecified match type */
    UNSPECIFIED = 0,
    /** String equality */
    STRING_EQUAL = 1,
    /** String inequality */
    STRING_NOT_EQUAL = 2,
    /** Attribute is not present */
    NOT_PRESENT = 3,
    /** Numeric greater than */
    NUM_GT = 4,
    /** Numeric greater or equal */
    NUM_GE = 5,
    /** Numeric less than */
    NUM_LT = 6,
    /** Numeric less or equal */
    NUM_LE = 7
}
/**
 * Type of header to filter on.
 */
export declare enum HeaderType {
    /** Unspecified header type */
    UNSPECIFIED = 0,
    /** Request X-Header */
    REQUEST = 1,
    /** Object attribute */
    OBJECT = 2,
    /** Custom service header */
    SERVICE = 3
}
/**
 * Well-known object filter keys.
 */
export declare const ObjectFilters: {
    /** Object version */
    readonly VERSION: "$Object:version";
    /** Object ID */
    readonly OBJECT_ID: "$Object:objectID";
    /** Container ID */
    readonly CONTAINER_ID: "$Object:containerID";
    /** Owner ID */
    readonly OWNER_ID: "$Object:ownerID";
    /** Creation epoch */
    readonly CREATION_EPOCH: "$Object:creationEpoch";
    /** Payload size */
    readonly PAYLOAD_SIZE: "$Object:payloadLength";
    /** Payload hash */
    readonly PAYLOAD_HASH: "$Object:payloadHash";
    /** Object type */
    readonly OBJECT_TYPE: "$Object:objectType";
    /** Homomorphic hash */
    readonly HOMOMORPHIC_HASH: "$Object:homomorphicHash";
};