import { BufferReader, type Bufferable, type Tuple } from '@aztec/foundation/serialize';
import { MembershipWitness } from '@aztec/foundation/trees';
export declare enum ReadRequestActionEnum {
    SKIP = 0,
    READ_AS_PENDING = 1,
    READ_AS_SETTLED = 2
}
export declare class ReadRequestAction {
    action: ReadRequestActionEnum;
    hintIndex: number;
    constructor(action: ReadRequestActionEnum, hintIndex: number);
    static skip(): ReadRequestAction;
    static readAsPending(hintIndex: number): ReadRequestAction;
    static readAsSettled(hintIndex: number): ReadRequestAction;
    static fromBuffer(buffer: Buffer | BufferReader): ReadRequestAction;
    toBuffer(): Buffer<ArrayBufferLike>;
}
export declare class PendingReadHint {
    readRequestIndex: number;
    pendingValueIndex: number;
    constructor(readRequestIndex: number, pendingValueIndex: number);
    static nada(readRequestLen: number): PendingReadHint;
    static fromBuffer(buffer: Buffer | BufferReader): PendingReadHint;
    toBuffer(): Buffer<ArrayBufferLike>;
}
export declare class SettledReadHint<TREE_HEIGHT extends number, LEAF_PREIMAGE extends Bufferable> {
    readRequestIndex: number;
    membershipWitness: MembershipWitness<TREE_HEIGHT>;
    leafPreimage: LEAF_PREIMAGE;
    constructor(readRequestIndex: number, membershipWitness: MembershipWitness<TREE_HEIGHT>, leafPreimage: LEAF_PREIMAGE);
    static nada<TREE_HEIGHT extends number, LEAF_PREIMAGE extends Bufferable>(readRequestLen: number, treeHeight: TREE_HEIGHT, emptyLeafPreimage: () => LEAF_PREIMAGE): SettledReadHint<TREE_HEIGHT, LEAF_PREIMAGE>;
    static fromBuffer<TREE_HEIGHT extends number, LEAF_PREIMAGE extends Bufferable>(buffer: Buffer | BufferReader, treeHeight: TREE_HEIGHT, leafPreimage: {
        fromBuffer(buffer: BufferReader): LEAF_PREIMAGE;
    }): SettledReadHint<TREE_HEIGHT, LEAF_PREIMAGE>;
    toBuffer(): Buffer<ArrayBufferLike>;
}
/**
 * Hints for read request reset circuit.
 */
export declare class ReadRequestResetHints<READ_REQUEST_LEN extends number, PENDING_READ_HINTS_LEN extends number, SETTLED_READ_HINTS_LEN extends number, TREE_HEIGHT extends number, LEAF_PREIMAGE extends Bufferable> {
    readRequestActions: Tuple<ReadRequestAction, READ_REQUEST_LEN>;
    /**
     * The hints for read requests reading pending values.
     */
    pendingReadHints: Tuple<PendingReadHint, PENDING_READ_HINTS_LEN>;
    /**
     * The hints for read requests reading settled values.
     */
    settledReadHints: Tuple<SettledReadHint<TREE_HEIGHT, LEAF_PREIMAGE>, SETTLED_READ_HINTS_LEN>;
    constructor(readRequestActions: Tuple<ReadRequestAction, READ_REQUEST_LEN>, 
    /**
     * The hints for read requests reading pending values.
     */
    pendingReadHints: Tuple<PendingReadHint, PENDING_READ_HINTS_LEN>, 
    /**
     * The hints for read requests reading settled values.
     */
    settledReadHints: Tuple<SettledReadHint<TREE_HEIGHT, LEAF_PREIMAGE>, SETTLED_READ_HINTS_LEN>);
    trimToSizes<NEW_PENDING_READ_HINTS_LEN extends number, NEW_SETTLED_READ_HINTS_LEN extends number>(numPendingReads: NEW_PENDING_READ_HINTS_LEN, numSettledReads: NEW_SETTLED_READ_HINTS_LEN): ReadRequestResetHints<READ_REQUEST_LEN, NEW_PENDING_READ_HINTS_LEN, NEW_SETTLED_READ_HINTS_LEN, TREE_HEIGHT, LEAF_PREIMAGE>;
    /**
     * Deserializes from a buffer or reader.
     * @param buffer - Buffer or reader to read from.
     * @returns The deserialized instance.
     */
    static fromBuffer<READ_REQUEST_LEN extends number, PENDING_READ_HINTS_LEN extends number, SETTLED_READ_HINTS_LEN extends number, TREE_HEIGHT extends number, LEAF_PREIMAGE extends Bufferable>(buffer: Buffer | BufferReader, readRequestLen: READ_REQUEST_LEN, numPendingReads: PENDING_READ_HINTS_LEN, numSettledReads: SETTLED_READ_HINTS_LEN, treeHeight: TREE_HEIGHT, leafPreimageFromBuffer: {
        fromBuffer: (buffer: BufferReader) => LEAF_PREIMAGE;
    }): ReadRequestResetHints<READ_REQUEST_LEN, PENDING_READ_HINTS_LEN, SETTLED_READ_HINTS_LEN, TREE_HEIGHT, LEAF_PREIMAGE>;
    toBuffer(): Buffer<ArrayBufferLike>;
}
export declare class ReadRequestResetActions<NUM_READS extends number> {
    actions: Tuple<ReadRequestActionEnum, NUM_READS>;
    pendingReadHints: PendingReadHint[];
    constructor(actions: Tuple<ReadRequestActionEnum, NUM_READS>, pendingReadHints: PendingReadHint[]);
    static empty<NUM_READS extends number>(numReads: NUM_READS): ReadRequestResetActions<NUM_READS>;
}
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