import { ASTNode, ComparisonNode } from "ts-rsql";
import type { SqlContext, StaticQueryConfig, Value } from "../context";
export declare const formatKeyword: (keyword: string, keywordsLowerCase?: boolean) => string;
export declare const formatSelector: (context: SqlContext, selector: string) => string;
export declare const formatValue: ({ allowArray, ast }: {
    ast: ComparisonNode;
    allowArray?: boolean;
}, config: StaticQueryConfig) => Value;
export declare const toSql: (input: ASTNode | string | null, context: SqlContext) => {
    isValid: true;
    sql: string;
} | {
    isValid: false;
    err: string;
};
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