import type { Nullable } from '@voiceflow/common';
export declare enum ExpressionType {
    EQUALS = "equals",
    GREATER = "greater",
    LESS = "less",
    AND = "and",
    OR = "or",
    VALUE = "value",
    VARIABLE = "variable",
    ADVANCE = "advance",
    PLUS = "plus",
    MINUS = "minus",
    TIMES = "times",
    DIVIDE = "divide",
    NOT = "not"
}
export declare enum ExpressionTypeV2 {
    EQUALS = "equals",
    GREATER = "greater",
    LESS = "less",
    AND = "and",
    OR = "or",
    VALUE = "value",
    VARIABLE = "variable",
    ADVANCE = "advance",
    NOT_EQUAL = "not_equal",
    GREATER_OR_EQUAL = "greater_or_equal",
    LESS_OR_EQUAL = "less_or_equal",
    CONTAINS = "contains",
    NOT_CONTAIN = "not_contain",
    STARTS_WITH = "starts_with",
    ENDS_WITH = "ends_with",
    HAS_VALUE = "has_value",
    IS_EMPTY = "is_empty"
}
export interface GenericExpression<T extends ExpressionType, V> {
    type: T;
    value: V;
    depth: number;
}
export type ExpressionTuple = [Expression, Expression];
export interface NotExpression {
    type: ExpressionType.NOT;
    value: Expression;
    depth: number;
}
export type OrExpression = GenericExpression<ExpressionType.OR, ExpressionTuple>;
export type AndExpression = GenericExpression<ExpressionType.AND, ExpressionTuple>;
export type LessExpression = GenericExpression<ExpressionType.LESS, ExpressionTuple>;
export type PlusExpression = GenericExpression<ExpressionType.PLUS, ExpressionTuple>;
export type MinusExpression = GenericExpression<ExpressionType.MINUS, ExpressionTuple>;
export type TimesExpression = GenericExpression<ExpressionType.TIMES, ExpressionTuple>;
export type ValueExpression = GenericExpression<ExpressionType.VALUE, string>;
export type DivideExpression = GenericExpression<ExpressionType.DIVIDE, ExpressionTuple>;
export type EqualsExpression = GenericExpression<ExpressionType.EQUALS, ExpressionTuple>;
export type GreaterExpression = GenericExpression<ExpressionType.GREATER, ExpressionTuple>;
export type AdvancedExpression = GenericExpression<ExpressionType.ADVANCE, string>;
export type VariableExpression = GenericExpression<ExpressionType.VARIABLE, string>;
export type Expression = OrExpression | AndExpression | NotExpression | LessExpression | PlusExpression | MinusExpression | TimesExpression | ValueExpression | DivideExpression | EqualsExpression | GreaterExpression | AdvancedExpression | VariableExpression;
export declare enum ConditionsLogicInterface {
    VARIABLE = "variable",
    VALUE = "value",
    LOGIC_GROUP = "logic_group",
    EXPRESSION = "expression"
}
export interface GenericExpressionV2<T extends ExpressionTypeV2, V> {
    type: Nullable<T>;
    value: V;
    name?: string;
    logicInterface?: ConditionsLogicInterface;
}
export type ExpressionTupleV2 = [ExpressionV2?, ExpressionV2?];
export type ValueExpressionV2 = GenericExpressionV2<ExpressionTypeV2.VALUE, string>;
export type AdvancedExpressionV2 = GenericExpressionV2<ExpressionTypeV2.ADVANCE, string>;
export type VariableExpressionV2 = GenericExpressionV2<ExpressionTypeV2.VARIABLE, string>;
export type OrExpressionV2 = GenericExpressionV2<ExpressionTypeV2.OR, ExpressionTupleV2>;
export type AndExpressionV2 = GenericExpressionV2<ExpressionTypeV2.AND, ExpressionTupleV2>;
export type LessExpressionV2 = GenericExpressionV2<ExpressionTypeV2.LESS, ExpressionTupleV2>;
export type EqualsExpressionV2 = GenericExpressionV2<ExpressionTypeV2.EQUALS, ExpressionTupleV2>;
export type GreaterExpressionV2 = GenericExpressionV2<ExpressionTypeV2.GREATER, ExpressionTupleV2>;
export type IsEmptyExpression = GenericExpressionV2<ExpressionTypeV2.IS_EMPTY, ExpressionTupleV2>;
export type ContainsExpression = GenericExpressionV2<ExpressionTypeV2.CONTAINS, ExpressionTupleV2>;
export type NotEqualExpression = GenericExpressionV2<ExpressionTypeV2.NOT_EQUAL, ExpressionTupleV2>;
export type EndsWithExpression = GenericExpressionV2<ExpressionTypeV2.ENDS_WITH, ExpressionTupleV2>;
export type HasValueExpression = GenericExpressionV2<ExpressionTypeV2.HAS_VALUE, ExpressionTupleV2>;
export type NotContainExpression = GenericExpressionV2<ExpressionTypeV2.NOT_CONTAIN, ExpressionTupleV2>;
export type StartsWithExpression = GenericExpressionV2<ExpressionTypeV2.STARTS_WITH, ExpressionTupleV2>;
export type LessOrEqualExpression = GenericExpressionV2<ExpressionTypeV2.LESS_OR_EQUAL, ExpressionTupleV2>;
export type GreaterOrEqualExpression = GenericExpressionV2<ExpressionTypeV2.GREATER_OR_EQUAL, ExpressionTupleV2>;
export type ExpressionV2 = OrExpressionV2 | AndExpressionV2 | LessExpressionV2 | ValueExpressionV2 | EqualsExpressionV2 | GreaterExpressionV2 | VariableExpressionV2 | AdvancedExpressionV2 | IsEmptyExpression | NotEqualExpression | ContainsExpression | EndsWithExpression | HasValueExpression | NotContainExpression | StartsWithExpression | LessOrEqualExpression | GreaterOrEqualExpression;
export type LogicGroupData = GenericExpressionV2<ExpressionTypeV2.AND | ExpressionTypeV2.OR, ExpressionV2[]>;
export type ExpressionData = GenericExpressionV2<ExpressionTypeV2.AND | ExpressionTypeV2.OR, (ExpressionV2 | LogicGroupData)[]>;
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