/**
 * SQL Mode 2 — Type Coercion
 *
 * Automatic value conversion to MongoDB types.
 * Order: ObjectId → Date → Boolean → Number → Array → String
 */
/**
 * Coerce a value to the appropriate MongoDB type.
 * Applied to all values before pipeline injection.
 */
export declare function coerceValue(value: unknown): unknown;
/**
 * Coerce values in a filter object recursively.
 */
export declare function coerceFilterValues(filter: Record<string, unknown>): Record<string, unknown>;
/**
 * Check if a string looks like an ObjectId but has invalid chars.
 * Returns true if it's 24 chars but NOT all hex.
 */
export declare function isAlmostObjectId(value: string): boolean;
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