import type { GlUniform } from './GlProgram';
export declare class GlProgramData {
    native: WebGLProgram;
    /**
     * Per uniform-group last-synced `_dirtyId`, keyed by the group's uid.
     * If a group's current `_dirtyId` differs from the value stored here, the
     * group's data is (re)uploaded to this program.
     */
    uniformDirtyGroups: Record<number, number>;
    /**
     * Per-context uniform metadata: introspected name/type/size plus the lazily
     * resolved {@link GlUniform.location} and the shadow copy of the last uploaded
     * value. Both `location` and `value` are specific to THIS linked program in
     * THIS GL context, so they must live here — not on the shared {@link GlProgram},
     * which a module-level (static) Material reuses across multiple renderers/contexts.
     * Storing them on the shared program would let one context clobber another's
     * locations/shadows (e.g. a sampler `uniform1i` silently dropped → the sampler
     * falls back to texture unit 0).
     */
    uniforms: Record<string, GlUniform>;
    constructor(native: WebGLProgram);
}