import { NonEmptyAdapterAggregation as Aggregation, AdapterFilter as Filter, AnyFixMe, Sort } from '@wix-velo/velo-external-db-types';
import { ParsedFilter } from './types';
export default class FilterParser {
    constructor();
    transform(filter: Filter): {
        filterExpr: string;
        parameters: never[];
        offset: number;
    } | {
        filterExpr: string;
        filterColumns: [];
        offset: number;
        parameters: any[];
    };
    adapterFunction2Sql(f: string): "AVG" | "MAX" | "MIN" | "SUM" | "COUNT";
    parseAggregation(aggregation: Aggregation, offset: number): {
        fieldsStatement: any;
        groupByColumns: any[];
        havingFilter: string;
        parameters: any;
        offset: any;
    };
    createFieldsStatementAndAliases(projectionFunctions: AnyFixMe, groupByColumns: AnyFixMe): {
        filterColumnsStr: any;
        aliasToFunction: {
            [key: string]: any;
        };
    };
    extractFilterExprAndParams(havingFilter: any[], offset: number): {
        filterExpr: string;
        parameters: any;
        offset: any;
    };
    parseFilter(filter: Filter, offset: number, inlineFields: {
        [key: string]: any;
    }): ParsedFilter[];
    isNestedField(fieldName: string): boolean;
    valueForStringOperator(operator: string, value: any): string | undefined;
    isSingleFieldOperator(operator: string): boolean;
    isSingleFieldStringOperator(operator: string): boolean;
    prepareStatementVariables(n: number, offset: number): string;
    valueForOperator(value: string | string[], operator: string, offset: number): {
        sql: string;
        offset: number;
    };
    adapterOperatorToMySqlOperator(operator: string, value: any): "=" | "IS NULL" | "<>" | "IS NOT NULL" | "<" | "<=" | ">" | ">=" | "IN" | undefined;
    orderBy(sort: Sort[]): {
        sortExpr: string;
    };
    parseSort({ fieldName, direction }: Sort): {
        expr: string;
    }[];
    selectFieldsFor(projection: string[]): string;
    patchTrueFalseValue(value: any): any;
    inlineVariableIfNeeded(fieldName: string, inlineFields: {
        [key: string]: any;
    }): any;
}