/** Runtime values shared by the observation receipt and append contracts. */
/** Runtime kinds returned when an observation occurrence is appended. */
export declare const OBSERVATION_APPEND_RESULT_KINDS: {
    readonly NEW: "new";
    readonly PENDING_REPLAY: "pending_replay";
    readonly DUPLICATE: "duplicate";
    readonly INTEGRITY_COLLISION: "integrity_collision";
};
/** Closed set of observation append result kinds. */
export type ObservationAppendResultKind = (typeof OBSERVATION_APPEND_RESULT_KINDS)[keyof typeof OBSERVATION_APPEND_RESULT_KINDS];
/** Runtime states persisted for an observation receipt. */
export declare const OBSERVATION_RECEIPT_STATES: {
    readonly PENDING: "pending";
    readonly EVALUATED: "evaluated";
    readonly DUPLICATE: "duplicate";
    readonly QUARANTINED: "quarantined";
};
/** Closed set of observation receipt states. */
export type ObservationReceiptState = (typeof OBSERVATION_RECEIPT_STATES)[keyof typeof OBSERVATION_RECEIPT_STATES];
/** Receipt states allowed when an observation is completed. */
export declare const OBSERVATION_COMPLETION_STATES: {
    readonly EVALUATED: "evaluated";
    readonly DUPLICATE: "duplicate";
    readonly QUARANTINED: "quarantined";
};
/** Closed set of terminal observation completion states. */
export type ObservationCompletionState = (typeof OBSERVATION_COMPLETION_STATES)[keyof typeof OBSERVATION_COMPLETION_STATES];
/** Runtime kinds returned after one observed row is persisted. */
export declare const OBSERVATION_WRITE_RESULT_KINDS: {
    readonly FENCED_OUT: "fenced_out";
    readonly STALE: "stale";
    readonly DUPLICATE: "duplicate";
    readonly QUARANTINED: "quarantined";
    readonly PERSISTED: "persisted";
};
/** Runtime reasons why one observation was identified as a duplicate. */
export declare const OBSERVATION_DUPLICATE_REASONS: {
    readonly OBSERVATION: "observation";
    readonly EVENT: "event";
    readonly CANDIDATE: "candidate";
};
/** Closed set of observation duplicate reasons. */
export type ObservationDuplicateReason = (typeof OBSERVATION_DUPLICATE_REASONS)[keyof typeof OBSERVATION_DUPLICATE_REASONS];
/** Runtime discriminators for receipt/event identity quarantine records. */
export declare const OBSERVATION_INTEGRITY_DISCRIMINATORS: {
    readonly OBSERVATION_KEY_PAYLOAD_MISMATCH: "observation_key_payload_mismatch";
    readonly EVENT_KEY_PAYLOAD_MISMATCH: "event_key_payload_mismatch";
};
/** Closed set of identity mismatch quarantine discriminators. */
export type ObservationIntegrityDiscriminator = (typeof OBSERVATION_INTEGRITY_DISCRIMINATORS)[keyof typeof OBSERVATION_INTEGRITY_DISCRIMINATORS];
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