export type TriggerTiming = 'before' | 'after' | 'instead_of';
export type TriggerEvent = 'insert' | 'update' | 'delete';
export type TriggerRaiseAction = 'abort' | 'fail' | 'rollback' | 'ignore';
export type MongrelValue = 'Null' | {
    Bool: boolean;
} | {
    Int64: number;
} | {
    Float64: number;
} | {
    Bytes: number[];
} | {
    Embedding: number[];
};
export type TriggerTarget = {
    kind: 'table';
    name: string;
} | {
    kind: 'view';
    name: string;
};
export type TriggerValue = {
    kind: 'literal';
    value: MongrelValue;
} | {
    kind: 'new_column';
    value: number;
} | {
    kind: 'old_column';
    value: number;
} | {
    kind: 'selected_column';
    value: number;
};
export type TriggerExpr = {
    kind: 'value';
    value: TriggerValue;
} | {
    kind: 'eq';
    left: TriggerValue;
    right: TriggerValue;
} | {
    kind: 'not_eq';
    left: TriggerValue;
    right: TriggerValue;
} | {
    kind: 'lt';
    left: TriggerValue;
    right: TriggerValue;
} | {
    kind: 'lte';
    left: TriggerValue;
    right: TriggerValue;
} | {
    kind: 'gt';
    left: TriggerValue;
    right: TriggerValue;
} | {
    kind: 'gte';
    left: TriggerValue;
    right: TriggerValue;
} | {
    kind: 'is_null';
    value: TriggerValue;
} | {
    kind: 'is_not_null';
    value: TriggerValue;
} | {
    kind: 'and';
    left: TriggerExpr;
    right: TriggerExpr;
} | {
    kind: 'or';
    left: TriggerExpr;
    right: TriggerExpr;
} | {
    kind: 'not';
    value: TriggerExpr;
};
export interface TriggerCell {
    column_id: number;
    value: TriggerValue;
}
export type TriggerCondition = {
    kind: 'pk';
    value: TriggerValue;
} | {
    kind: 'eq';
    column_id: number;
    value: TriggerValue;
} | {
    kind: 'not_eq';
    column_id: number;
    value: TriggerValue;
} | {
    kind: 'lt';
    column_id: number;
    value: TriggerValue;
} | {
    kind: 'lte';
    column_id: number;
    value: TriggerValue;
} | {
    kind: 'gt';
    column_id: number;
    value: TriggerValue;
} | {
    kind: 'gte';
    column_id: number;
    value: TriggerValue;
} | {
    kind: 'is_null';
    column_id: number;
} | {
    kind: 'is_not_null';
    column_id: number;
} | {
    kind: 'and';
    left: TriggerCondition;
    right: TriggerCondition;
} | {
    kind: 'or';
    left: TriggerCondition;
    right: TriggerCondition;
} | {
    kind: 'not';
    value: TriggerCondition;
};
export type TriggerStep = {
    kind: 'set_new';
    cells: TriggerCell[];
} | {
    kind: 'insert';
    table: string;
    cells: TriggerCell[];
} | {
    kind: 'update_by_pk';
    table: string;
    pk: TriggerValue;
    cells: TriggerCell[];
} | {
    kind: 'delete_by_pk';
    table: string;
    pk: TriggerValue;
} | {
    kind: 'select';
    id: string;
    table: string;
    conditions?: TriggerCondition[];
} | {
    kind: 'raise';
    action: TriggerRaiseAction;
    message: TriggerValue;
} | {
    kind: 'foreach';
    id: string;
    steps: TriggerStep[];
} | {
    kind: 'delete_where';
    table: string;
    conditions?: TriggerCondition[];
} | {
    kind: 'update_where';
    table: string;
    conditions?: TriggerCondition[];
    cells: TriggerCell[];
};
export interface TriggerProgram {
    steps: TriggerStep[];
}
export interface TriggerSpec {
    name: string;
    version?: number;
    target: TriggerTarget;
    timing: TriggerTiming;
    event: TriggerEvent;
    update_of?: string[];
    target_columns?: unknown[];
    when?: TriggerExpr;
    program: TriggerProgram;
    enabled?: boolean;
    checksum?: string;
    created_epoch?: number;
    updated_epoch?: number;
}
export declare function trigger(spec: TriggerSpec): TriggerSpec;
export declare function triggerJson(spec: TriggerSpec): string;
export declare const literal: (value: MongrelValue) => TriggerValue;
export declare const nullValue: () => TriggerValue;
export declare const boolValue: (value: boolean) => TriggerValue;
export declare const int64Value: (value: number) => TriggerValue;
export declare const float64Value: (value: number) => TriggerValue;
export declare const textValue: (value: string) => TriggerValue;
export declare const bytesValue: (value: Uint8Array | number[]) => TriggerValue;
export declare const embeddingValue: (value: number[]) => TriggerValue;
export declare const newColumn: (columnId: number) => TriggerValue;
export declare const oldColumn: (columnId: number) => TriggerValue;
export declare const selectedColumn: (columnId: number) => TriggerValue;
export declare const exprValue: (value: TriggerValue) => TriggerExpr;
export declare const exprEq: (left: TriggerValue, right: TriggerValue) => TriggerExpr;
export declare const exprNotEq: (left: TriggerValue, right: TriggerValue) => TriggerExpr;
export declare const exprLt: (left: TriggerValue, right: TriggerValue) => TriggerExpr;
export declare const exprLte: (left: TriggerValue, right: TriggerValue) => TriggerExpr;
export declare const exprGt: (left: TriggerValue, right: TriggerValue) => TriggerExpr;
export declare const exprGte: (left: TriggerValue, right: TriggerValue) => TriggerExpr;
export declare const exprIsNull: (value: TriggerValue) => TriggerExpr;
export declare const exprIsNotNull: (value: TriggerValue) => TriggerExpr;
export declare const exprAnd: (left: TriggerExpr, right: TriggerExpr) => TriggerExpr;
export declare const exprOr: (left: TriggerExpr, right: TriggerExpr) => TriggerExpr;
export declare const exprNot: (value: TriggerExpr) => TriggerExpr;
export declare const condPk: (value: TriggerValue) => TriggerCondition;
export declare const condEq: (columnId: number, value: TriggerValue) => TriggerCondition;
export declare const condNotEq: (columnId: number, value: TriggerValue) => TriggerCondition;
export declare const condLt: (columnId: number, value: TriggerValue) => TriggerCondition;
export declare const condLte: (columnId: number, value: TriggerValue) => TriggerCondition;
export declare const condGt: (columnId: number, value: TriggerValue) => TriggerCondition;
export declare const condGte: (columnId: number, value: TriggerValue) => TriggerCondition;
export declare const condIsNull: (columnId: number) => TriggerCondition;
export declare const condIsNotNull: (columnId: number) => TriggerCondition;
export declare const condAnd: (left: TriggerCondition, right: TriggerCondition) => TriggerCondition;
export declare const condOr: (left: TriggerCondition, right: TriggerCondition) => TriggerCondition;
export declare const condNot: (value: TriggerCondition) => TriggerCondition;
export declare const cell: (columnId: number, value: TriggerValue) => TriggerCell;
export declare const stepSelect: (id: string, table: string, conditions?: TriggerCondition[]) => TriggerStep;
export declare const stepForeach: (id: string, steps: TriggerStep[]) => TriggerStep;
export declare const stepDeleteWhere: (table: string, conditions?: TriggerCondition[]) => TriggerStep;
export declare const stepUpdateWhere: (table: string, cells: TriggerCell[], conditions?: TriggerCondition[]) => TriggerStep;
export declare const stepSetNew: (cells: TriggerCell[]) => TriggerStep;
export declare const stepInsert: (table: string, cells: TriggerCell[]) => TriggerStep;
export declare const stepUpdateByPk: (table: string, pk: TriggerValue, cells: TriggerCell[]) => TriggerStep;
export declare const stepDeleteByPk: (table: string, pk: TriggerValue) => TriggerStep;
export declare const stepRaise: (action: TriggerRaiseAction, message: TriggerValue) => TriggerStep;
//# sourceMappingURL=trigger.d.ts.map