export type PortablePredicateCompareOp = 'eq' | 'neq' | 'gt' | 'gte' | 'lt' | 'lte';
export type PortablePredicateMembershipOp = 'in' | 'nin';
export type PortablePredicateStringOp = 'contains' | 'startsWith' | 'endsWith';
export type PortablePredicateExistsOp = 'exists';
export type PortablePredicateArrayOp = 'and' | 'or';
export type PortablePredicateUnaryOp = 'not';
export declare const PORTABLE_PREDICATE_COMPARE_OPS: readonly PortablePredicateCompareOp[];
export declare const PORTABLE_PREDICATE_ARRAY_OPS: readonly PortablePredicateArrayOp[];
export declare const PORTABLE_PREDICATE_UNARY_OPS: readonly PortablePredicateUnaryOp[];
export declare const PORTABLE_PREDICATE_EXISTS_OPS: readonly PortablePredicateExistsOp[];
export declare const PORTABLE_PREDICATE_MEMBERSHIP_OPS: readonly PortablePredicateMembershipOp[];
export declare const PORTABLE_PREDICATE_STRING_OPS: readonly PortablePredicateStringOp[];
export interface PortablePredicateParseResult {
    ok: boolean;
    value?: unknown;
}
export declare function parsePortablePredicateProp(predicateProp: unknown): PortablePredicateParseResult;
export declare function validatePortablePredicateAST(pred: unknown): string[];