import { AbortOptions, MaybeAsyncIterableIterator } from '@mithic/commons';
/** A collection that can be queried by range. */
export interface RangeQueryable<K, V> {
    /** Queries event key-value pairs by given criteria. */
    entries(options?: RangeQueryOptions<K>): MaybeAsyncIterableIterator<[K, V]>;
    /** Queries event keys by given criteria. */
    keys(options?: RangeQueryOptions<K>): MaybeAsyncIterableIterator<K>;
    /** Queries events by given criteria. */
    values(options?: RangeQueryOptions<K>): MaybeAsyncIterableIterator<V>;
}
/** Options for querying a {@link RangeQueryable}. */
export interface RangeQueryOptions<K> extends AbortOptions {
    /** Requires results strictly greater than given key. */
    gt?: K;
    /** Requires results greater than or equal to given key. */
    gte?: K;
    /** Requires results strictly less than given key. */
    lt?: K;
    /** Requires results less than or equal to given key. */
    lte?: K;
    /** Maximum number of results to return. */
    limit?: number;
    /** Iterates results in reverse order. */
    reverse?: boolean;
}
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