/**
 * A Matcher is a filtering operation.
 *
 * @public
 */
export declare enum Matcher {
    /**
     * An equals comparison.
     *
     * @remarks
     * Compatible with all field types.
     */
    Equals = "$eq",
    /**
     * A not equals comparison.
     *
     * @remarks
     * Compatible with all field types.
     */
    NotEquals = "!$eq",
    /**
     * A less than comparison.
     *
     * @remarks
     * Compatible with integer, float, date, datetime, and time fields.
     */
    LessThan = "$lt",
    /**
     * A less than or equal to comparison.
     *
     * @remarks
     * Compatible with integer, float, date, datetime, and time fields.
     */
    LessThanOrEqualTo = "$le",
    /**
     * A greater than comparison.
     *
     * @remarks
     * Compatible with integer, float, date, datetime, and time fields.
     */
    GreaterThan = "$gt",
    /**
     * A greater than or equal to comparison.
     *
     * @remarks
     * Compatible with integer, float, date, datetime, and time fields.
     */
    GreaterThanOrEqualTo = "$ge",
    /**
     * A comparison of whether an entity is within a certain radius of a certain location.
     *
     * @remarks
     * Only compatible with the builtin.location field.
     */
    Near = "$near",
    /**
     * A limitation of the dataset to a range of values.
     *
     * @remarks
     * Compatible with integer and float.
     */
    Between = "$between"
}