import { Field, SmartContract, State, PublicKey, MerkleMapWitness, CircuitString, Signature, Nullifier } from 'o1js';
export declare class ObservationShare extends SmartContract {
    oraclePublicKey: State<PublicKey>;
    observationsRootHash: State<import("o1js/dist/node/lib/field").Field>;
    observationCount: State<import("o1js/dist/node/lib/field").Field>;
    observationsShareListRootHash: State<import("o1js/dist/node/lib/field").Field>;
    nullifierRoot: State<import("o1js/dist/node/lib/field").Field>;
    events: {
        observationShared: typeof import("o1js/dist/node/lib/field").Field & ((x: string | number | bigint | import("o1js/dist/node/lib/field").Field | import("o1js/dist/node/lib/field").FieldVar | import("o1js/dist/node/lib/field").FieldConst) => import("o1js/dist/node/lib/field").Field);
    };
    init(): void;
    addObservation(observationId: CircuitString, observationCode: CircuitString, observationDateTime: Field, value: Field, valueCode: CircuitString, merkleWitness: MerkleMapWitness, signature: Signature, nullifier: Nullifier): void;
}