export declare type QueryAction = 'select' | 'insert' | 'update' | 'delete';
export declare type ColumnModifierType = 'as' | 'count' | 'min' | 'min' | 'max' | 'sum' | 'avg' | 'lower' | 'upper';
export interface ColumnModifier {
    name: ColumnModifierType;
    params?: any;
}
export declare type ColumnName = string | {
    name: string;
    alias: string;
};
export declare type ColumnType = 'boolean' | 'number' | 'string' | 'date';
export declare type ConditionChainType = 'or' | 'and';
export declare type ConditionType = 'eq' | 'ne' | 'lt' | 'lte' | 'gt' | 'gte' | 'in' | 'not-in' | 'between' | 'not-between' | 'like' | 'not-like' | 'is-null' | 'is-not-null';
export declare type JoinType = 'inner' | 'left' | 'right' | 'full';
export declare type QueryProcessor = (query: any) => Promise<any>;