/**
 * Filter parser for CLI
 * Parses filter expressions into QueryBuilder-compatible format
 *
 * Grammar (EBNF):
 *   filter     = comparison | string_op | array_op
 *   comparison = field ("=" | "!=" | "<" | "<=" | ">" | ">=") value
 *   string_op  = field "." ("contains" | "startswith" | "endswith") "(" quoted_string ")"
 *   array_op   = field "." ("in" | "notin") "(" value_list ")"
 */
export type FilterOperator = 'eq' | 'ne' | 'lt' | 'le' | 'gt' | 'ge' | 'contains' | 'startswith' | 'endswith' | 'in' | 'notin';
export interface ParsedFilter {
    field: string;
    operator: FilterOperator;
    value: unknown;
    values?: unknown[];
}
/**
 * Parse a filter expression string into a structured filter
 */
export declare function parseFilter(filterStr: string): ParsedFilter;
/**
 * Apply parsed filters to a QueryBuilder
 */
export declare function applyFiltersToQuery<T>(query: {
    filter: (cb: (f: FilterBuilderLike<T>) => FilterExpressionLike) => typeof query;
}, filters: ParsedFilter[]): typeof query;
interface FieldFilterLike {
    eq(value: unknown): FilterExpressionLike;
    ne(value: unknown): FilterExpressionLike;
    lt(value: unknown): FilterExpressionLike;
    le(value: unknown): FilterExpressionLike;
    gt(value: unknown): FilterExpressionLike;
    ge(value: unknown): FilterExpressionLike;
    contains(value: string): FilterExpressionLike;
    startswith(value: string): FilterExpressionLike;
    endswith(value: string): FilterExpressionLike;
    in(values: unknown[]): FilterExpressionLike;
    notin(values: unknown[]): FilterExpressionLike;
}
interface FilterBuilderLike<T> {
    field(name: keyof T | string): FieldFilterLike;
}
interface FilterExpressionLike {
    node: unknown;
}
export {};
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